You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need a flight in an economy class, can you please find a flight from Phoenix?

ASSISTANT: Sure, We are here to assist you. Can I know your travelling dates?

USER: The planned travel dates are Aug/13 and Aug/15.

ASSISTANT: Please share me your airport codes.

USER: The source and destination airport codes are PHX and DFW.

ASSISTANT: Do you need any break?

USER: I prefer a single connecting flight to travel.

ASSISTANT: May I know your name?

USER: My name is Mary Allen.

ASSISTANT: Thee is a flight with single connection flight in southwest airlines, can I proceed for booking in economy class.

USER: That's perfect for me, please proceed with the ticket booking.

ASSISTANT: Your booking is done in 1004 flight.

USER: Thank you for helping me in reserving a flight ticket.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.