You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Thomas Thomas. I want to book a flight ticket for a round trip. Could you help me?

ASSISTANT: Sure, may I know your round trip airport code?

USER: My trip airport code is CA - LAX.

ASSISTANT: Can you please provide the dates of your travel?

USER: My travel dates are from 01/06 to 01/08.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Delta airline of flight number 1014 having a halt with ticket price 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.