You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to go Oakland in this month for attending a business meeting there, can you please book a flight ticket from LGA to OAK?

ASSISTANT: Sure, may I know your travel dates please?

USER: My departure date is 12/24 and please book my return ticket also on 12/26.

ASSISTANT: Ok, hold on for a moment.

USER: Ok.

ASSISTANT: I found a flight for you with UA airline and it costs you 100. Shall I proceed?

USER: Please book this flight ticket for me.

ASSISTANT: On whose name I would like to book this ticket?

USER: Sure, my name is Timothy Thompson.

ASSISTANT: Your ticket has been reserved with 1025 flight number Timothy.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, have a safe flight.