You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Please assist me in booking a flight ticket from IAH to SFO.

ASSISTANT: Sure,  I am happy to help you with that. Can I have your travel  dates please?

USER: My travel dates are from Dec 27th to Dec 29th.

ASSISTANT: Ok, please let me know your preferable timings of your  journey.

USER: I am comfortable with any timings.

ASSISTANT: Do you have any other specifications?

USER: I want a single stopover in between my journey.

ASSISTANT: Can I have your good name please?

USER: I am Nicole Gonzalez.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket  fare is 200. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your  ticket booking has done and the flight number is 1004.

USER: Thank you.

ASSISTANT: Thank your for choosing us, have a great  journey.