You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be at your service today?

USER: I am planning to travel from DEN to DCA, help me in booking a flight?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My travelling dates are Apr 28 to 30.

ASSISTANT: Please let me know your connection limit.

USER: I prefer single connection flight.

ASSISTANT: Can I know your name please?

USER: I am Catherine Young.

ASSISTANT: Do you have any other specifications in your journey?

USER: No.

ASSISTANT: We found a Southwest airlines, flight number 1015, and the fare of 300 with connecting flight. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.