You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book my ticket from Austin, AUS to DCA. Will you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are from June 01 to June 03.

ASSISTANT: Is there any class preference for you?

USER: No, I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No, I din't have any other specifications.

ASSISTANT: May I know your good name?

USER: Sure, myself Amy Johnson.

ASSISTANT: We found an airline: Frontier, flight number: 1023 and price is 100 with one connection.

USER: Ok, please confirm the ticket booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you very much in reserving my ticket for the flight-1023.

ASSISTANT: Thank you for reaching us.