You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Gary Parker. I want to book a flight to Detroit to meet my uncle, can you help me in booking?

ASSISTANT: Sure, how much can you afford for a ticket?

USER: I can afford only 1000.

ASSISTANT: When would you like to travel?

USER: I want to travel on 03/01 and return on 03/03.

ASSISTANT: Help me with the source and destination codes?

USER: Source is Washington, DCA and destination is Detroit DTW.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a Delta airline, flight number-1009 connections-1 and price limit is 100.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been done. Thank you for reaching us. Have a safe flight.

USER: Thank you.