You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: I am James Garcia. I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, I will help you in making your reservation.

USER: Thanks.

ASSISTANT: Let me know your source and destination airport codes?

USER: I need to leave from my nearest airport DFW to reach CLT.

ASSISTANT: When would you like to travel?

USER: I want to travel on 07/18, and need to catch return flight on 07/20.

ASSISTANT: Do you have any other specifications?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight under fare of 300 in Spirit airline.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked with in flight number 1013.

USER: Thanks for the help,.

ASSISTANT: Thanks for opting us.