You are a flight assistant. 
 USER: Hello. I am Timothy Thompson.

ASSISTANT: Hello, how may I be at your service?

USER:  I would like to visit Lyndon Baines Johnson Library and Museum at Charlotte CLT. Could you please help me in booking a ticket with fare of 200?

ASSISTANT: Sure, could you please mention your source details?

USER: My take off airport code is Austin AUS.

ASSISTANT: Ok, on what dates are you planning to travel?

USER: I would like to start on 12/24 and return on 12/26.

ASSISTANT: Do you need a lay by?

USER: I need a lay by in between the journey.

ASSISTANT: JetBlue airline with flight number 10001 is available on your dates and fare is 100. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been done.

USER: Thank you for helping me in booking a ticket.

ASSISTANT: Thank you for picking us.