You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket on 01/30 and my return would be at 02/01.

ASSISTANT: Ok, can you please mention your airport codes? So that we can find a best flight for you.

USER:  Sure, TX-AUS and CA-SFO are my airport codes.

ASSISTANT: Please, hold on for a while. Let me check the best flight available.

USER: Ok.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 200. Shall I proceed to reserve a seat in this flight?

USER: You can proceed booking with this Jet blue airline.

ASSISTANT: Your ticket has been reserved with 1016 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us. Have a great journey. For our documentation purpose could I know your name please?

USER: I am Paul Williams. Thank you.

ASSISTANT: Welcome.