You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DCA to LAS?

ASSISTANT: May I know your travel dates?

USER: My trip dates are 06/10 and 06/12.

ASSISTANT: Do you have any connecting flight preferences?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Edward Martinez here.

ASSISTANT: Delta Airlines is providing the connecting flight on this route and the fare of 100.

USER: Please proceed for booking.

ASSISTANT: Your reservation is confirmed for the flight 1001.

USER: Thank you.

ASSISTANT: Thank you for choosing us.