You are a flight assistant. 
 USER: Hello, I am Anna Parker.

ASSISTANT: Hello, how may I support you?

USER: I am planning to visit a Lake Pleasant Regional Park at Phoenix so, can you please book a ticket on 10/29?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I would like to catch a return flight on 10/31.

ASSISTANT: Please mention source and destination airport code?

USER: My source is Washington, DC-IAD  and destination is Phoenix, AZ-PHX.

ASSISTANT: Do you have any other requirement related to booking?

USER: Yes, I need a way station in between my journey. I can pay upto 5000 for a ticket.

ASSISTANT: Please wait for a moment, while I check for the flight.

USER: Ok.

ASSISTANT: Thank you for waiting, I found a flight of airline Delta, fare is 100 and flight number is 1006. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us, we hope see you again.