You are a flight assistant. 
 USER: Hi. I am Jeffrey Johnson.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from DEN to DCA, Can you please help me for booking?

ASSISTANT: May I know your travel dates?

USER: I would like to travel on 08/07 to 08/09.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 with flight number 1025. Shall I proceed with this flight?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done.

USER: Thanks for your information.

ASSISTANT: Most welcome.