You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: Please provide flight ticket from Phoenix, AZ-PHX to Washington DC-DCA. I am Thomas Taylor.

ASSISTANT: Sure, may I know your journey dates?

USER: Departure will be on 05/01 and return date is 05/03.

ASSISTANT: May I know your budget?

USER: Ticket price limit is 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1029 Spirit airline with a fare 100.

USER: Please book flight.

ASSISTANT: Ok, the ticket has been confirmed.

USER: I need connecting flight.

ASSISTANT: Yes, it is  a connecting flight.

USER: Thanks.

ASSISTANT: Thank you for reaching us.