You are a flight assistant. 
 USER: Hello. My name is Stephanie Campbell.

ASSISTANT: Hello, how may I assist you?

USER: I have singing competition in Fort Worth, so I need to attend, can you please help me for booking?

ASSISTANT: Sure, may I know your airport codes please?

USER: My airport codes are DCA and DFW.

ASSISTANT: Ok, may I know your journey dates please?

USER: I would like to start on 05/26 and return on 05/28.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Please search a flight with 1 connection.

ASSISTANT: I found a flight for you with UA airline and it costs you 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe flight.

USER: Welcome.