You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: I would like to meet my college friend at Phoenix, please help me in booking a ticket from DFW to PHX.

ASSISTANT: Sure, I am here to help you with that. May I know your preferable travel dates?

USER: Sure, my planned travel dates are on Aug 23 and Aug 25.

ASSISTANT: Which class do you prefer either economy or business?

USER: I prefer economy class for my trip.

ASSISTANT: Can I know your connection limit?

USER: Sure, I need a flight with single connection.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, thank you for asking.

ASSISTANT: Is there any other requirements regarding your journey?

USER: No.

ASSISTANT: Hawaiian Airlines are providing a flight-1005 with single connection limit and the ticket fare is 100.  Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name please to proceed for further?

USER: My name is Mark Harris.

ASSISTANT: Mark Harris, your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.