You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patricia Walker here.

ASSISTANT: How can I help you?

USER: I want to book a ticket from HOU to SFO, to see the Golden Gate Bridge in San Francisco. Will you help me?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, I would like to travel on 03/29 and 03/31.

ASSISTANT: The flight 1000 of AA airlines is available on your requested dates. Shall I proceed?

USER: Yes, proceed if price is within 200.

ASSISTANT: Yes, the ticket costs 100. Your ticket is booked.

USER: Ok, thank you for your support.