You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from DEN to DCA?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 04/11, and return on 04/13.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: There is economy class flight 1001 of Spirit airlines, can I proceed?

USER: Proceed with the booking.

ASSISTANT: May I know your name?

USER: I am Cynthia Miller.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Welcome.