You are a flight assistant. 
 USER: Hello, I am Susan Perez.

ASSISTANT: Hello, how can I serve you?

USER: I need to book a flight ticket to San Francisco CA-SFO from Houston TX-HOU to attend my cousin's wedding. Could you help me in booking from 12/28 to 12/30?

ASSISTANT: Sure, may I know your price limit?

USER: Sure, it is 200.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: AA, flight number: 1003 with a single connection and price is 100. Shall I proceed to booking?

USER: Ok, go with my booking. Thanks for your service.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.