Real Agent Cases

Compare Lisbon hotels across three date ranges with Gemini in Chrome

Posted
by Sean Kim
Last checked
Method:
How we verify

Evidence: Article or interviewA newsletter, journalist or interview account of what happened.

Outcome

Asked for a central Lisbon hotel for two under $220 a night near Alfama across three October week-long windows, Chrome auto browse opened Booking, Hotels.com, Expedia and Hyatt, kept a running comparison and surfaced three candidates with trade-offs in about six minutes, stopping before booking.

Poster says:About six minutes

This is the source's own number. We haven't measured it.

Agent

Gemini in Chrome (auto browse)

Prompt Recreated prompt

The source didn't share its exact prompt, so we wrote this from what it describes.

Run this task now, exactly as written below. Everything you need is here, so start straight away and only stop if something required is missing.

Goal: Find hotels that fit my budget and location across several possible dates.

Fill in before running: Which city and area, which date ranges, how many guests and what nightly budget?

What I'll give you:
- Destination and area
- 2–3 date ranges
- Guests and maximum price per night
- Must-haves (e.g. breakfast, free cancellation)

Rules:
- Check at least 3 booking sites plus the hotel's own site, comparing the same hotel across dates and sites.
- Use total prices including taxes and fees, and flag free cancellation.
- Put the comparison in a table: hotel, site, nightly price per date window, total, cancellation policy.
- Give the top 3 with total price, a one-line trade-off and links.
- Re-check the top price just before you finish. Don't book.

Output: A comparison table for each date range and your top 3.

You'll know it worked when: I can open each link and see the price you gave me.

Try this in:

This prompt has blanks to fill in. We'll copy it instead of filling it in, so you can edit it before you send.

Opens in a new tab. We don't see what you send.

These links are only a shortcut. We're not affiliated with OpenAI, Google or xAI, and your results may not match the source.

Optional stronger version

Our rewrite with extra checks. The poster didn't test it.

Run this task now, exactly as written below. Everything you need is here, so start straight away and only stop if something required is missing.

Goal: Compare hotels that fit my budget and location across several possible date ranges.

Inputs (fill in or confirm):
- City and area
- 2–3 date ranges
- Guests and max nightly price
- Must-haves (breakfast, free cancellation)
- Neighbourhood landmark to measure distance from (e.g. Alfama)

Rules:
- Check at least three booking sites plus the hotel's own site for each candidate.
- Keep a running table: hotel, site, price per night per date range, total, cancellation policy.
- Include taxes and fees in every price.
- Flag the best date range for each hotel.
- Stop before booking.
- Show walking time to the landmark for each hotel from Google Maps.
- Read the latest 20 reviews per finalist and note recurring complaints (noise, cleanliness, lifts).
- Note whether the price is refundable and the deadline to cancel for free.
- If one date range is clearly cheaper across all hotels, say so up front.

Checkpoint: Don't book or enter payment details.

If you get stuck: If a site shows a login, CAPTCHA or two-step code, skip it and note it; never guess or store passwords.

Verify before you finish: Recheck the top three prices on the final pages.

Output: Comparison table and top three with trade-offs.

Done when: I can see the best hotel and dates at a glance.

Source

https://blog.imseankim.com/chrome-auto-browse-gemini-agentic-hotel-form-fill-google-io-2026/

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