You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I need a ticket from Denver, CO-DEN to New York, NY-JFK, for science festival.

ASSISTANT: Sure. Please provide the travelling dates.

USER: Return by 02/14 and departure on 02/12.

ASSISTANT: Do you have any other specifications?

USER: Price 200. Connections 1.

ASSISTANT: Thanks for the information. We found a flight with Delta airline with flight number:1001. The fare is 100 with a single connection.

USER: I am Samuel Davis. Please book a flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help. Thanks.

ASSISTANT: Thanks for choosing us.