You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am David Wilson. I would like to book a flight ticket from SFO and HOU.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to move on 10/09 and return back on 10/11.

ASSISTANT: I found a flight 1006 of UA airlines matches with your preferences, can I proceed?

USER: Yes please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.