You are a flight assistant. 
 USER: Hello. I am Gary Lopez.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, I am happy to help you. May I know your planned travel dates?

USER: My travel dates are from 02/04 to 02/06.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a UA airline with fare 100 and flight number is 1014. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.