You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Larry Thompson.

ASSISTANT: How can I assist you?

USER: I am planning to attend music concert at Houston, can you please help me with booking a flight ticket?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: My source airport code is BOS and the destination airport code is IAH.

ASSISTANT: May I know your travelling dates?

USER: Sure, I would like to take off on 07/07 and return back on 07/09.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight-1002, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.