You are a flight assistant. 
 USER: Hello. I am Joseph Hill.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to visit Grand Canyon Adventure at Philadelphia PHL, can you avail me a flight ticket?

ASSISTANT: Sure, I am here to help.

USER: Thank you.

ASSISTANT: When are you planing your trip ?

USER: I will fly on 03/29 and return on 03/31.

ASSISTANT: Do you any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your boarding point?

USER: My source code is Dallas & Forth Worth DFW.

ASSISTANT: Please wait, I will get back to you shortly.

USER: Sure.

ASSISTANT: Hawaiian airline has a connecting flight number 1010 and the fare is 200. Would you like to proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for approaching us.