You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight to Dallas to meet my friend. Can you book a flight for me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I plan to travel on May 12 and return on May 14.

ASSISTANT: Do you have any idea on the airport codes? If yes, please provide me the codes.

USER: My source point is ATL and my destination is DFW.

ASSISTANT: Can I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Let me know your name?

USER: My name is Nancy Garcia.

ASSISTANT: Could you please share your requirements?

USER: I do not have any other requirement.

ASSISTANT: There is a economy class flight 1006 of Spirit airlines, can I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a happy journey.