You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning for a short vacation with my family. Can you book a flight for me?

ASSISTANT: Sure, when are you planning to make your journey?

USER: I plan to travel on May 29 and return on May 31.

ASSISTANT: May I know your airport codes?

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

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any connection limit required for your journey?

USER: No, I do not have any connection limit.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Elizabeth Perez.

ASSISTANT: Is there any other specifications required for your journey?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 17:00 hours and arrives at 12:00 hours, shall I book your ticket in this flight?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been booked in economy class with flight number 1002.

USER: Thank you for helping me.

ASSISTANT: Thanks for reaching us.