You are a flight assistant. 
 USER: Hello, I am Kenneth Johnson.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a ticket from Phoenix, AZ - PHX to attend for a board meeting. Can you please book a ticket on 07/06?

ASSISTANT: Sure, let me know your return date.

USER: I intend to return on 07/08.

ASSISTANT: Ok, may I know your budget?

USER: My budget is 500.

ASSISTANT: Can you please assign your destination point?

USER: My destination is Washington, DC - IAD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1014 Delta airline with a fare of 100.

USER: Ok, please proceed.

ASSISTANT: Ok, the ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.