You are a flight assistant. 
 USER: Hello. I am Mark Thomas.

ASSISTANT: Hello, how can I oblige you today?

USER: I would like to participate in a musical concert, can you please guide me in flight ticket booking?

ASSISTANT: Sure, when are you planning to depart and return on?

USER: Thank you and I have planned to depart on July 29th and return back on 31st in the same month.

ASSISTANT: Which airport do you prefer to start and land on?

USER: I would like to start from CLT and I have planned to land on HOU location.

ASSISTANT: Do you prefer a halt?

USER: Yes, I need a direct flight.

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

USER: I can spend up to 1000.

ASSISTANT: We found a connecting flight 1021 in Spirit airline. Shall I proceed?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket has been confirmed with a fare of 200 in class economy.

USER: Thank you for your kind help in my flight ticket booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.