You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket from DEN to SEA?

ASSISTANT: May I know your journey dates?

USER: I would like to depart on June 27th and return on June 29th.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Any more requirements?

USER: I have no other requirements.

ASSISTANT: May I know your name?

USER: I am Christine Evans.

ASSISTANT: American Airlines providing connecting flight in the economy class with fare 200, shall I proceed for booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.