You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please book my ticket from DEN to DCA?

ASSISTANT: Sure, please provide me your travel dates.

USER: My travelling dates are Apr 14th and 16th.

ASSISTANT: May I know your name to proceed further?

USER: My name is Nancy Green.

ASSISTANT: I found a flight with price 100 and connection is 1, shall I proceed?

USER: Sure, please proceed with that.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thanks for your quick service.

ASSISTANT: It's my pleasure.