You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Deborah Harris. I would like to book a flight ticket from OAK to HOU.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 07/29 and return back on 07/31.

ASSISTANT: I found a flight 1007 of Frontier airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Great! Thank you for the service.

ASSISTANT: Thank you, have a good day.