You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I have planned to go for Phoenix, AZ - PHX to overview the city. Can you please book a ticket from Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, may I know your journey dates?

USER: I will depart on 02/09 and return on 02/11.

ASSISTANT: Sure, Is there any price limit?

USER: Yes, my price limit is 1000.

ASSISTANT: Ok, may I know your name?

USER: Sure, I am Anthony Wilson.

ASSISTANT: Ok, thanks for your details. We found a flight in 1007 Frontier airline with a fare of 100.

USER: Ok, please proceed for booking.

ASSISTANT: Ok, the ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.