You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I amend you today?

USER: I am Charles Evans. I would like to attend a meeting with my shareholders for business development in Rockefeller Center at New York, LGA. Can you please book a ticket on 12/07 and return on 12/09?

ASSISTANT: Sure, may I know your source point?

USER: My source airport code is TX-DFW.

ASSISTANT: Do you need any break with in the journey?

USER: Yes, I need a halt.

ASSISTANT: How may can you spend in booking your flight ticket?

USER: I can spend upto 200.

ASSISTANT: We found a flight 1001 in UA airline the price is 200 with one halt. Shall I move with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for making us to serve you.