You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Kevin Williams here.

ASSISTANT: Nice meeting you.

USER: Can you help me to make a flight reservation from DCA to DEN?

ASSISTANT: Sure, I can help you in that. May I know your planned travel dates please?

USER: My travelling dates are 07/18 and 07/20.

ASSISTANT: Ok, do you have any other specifications?

USER: I need halt between journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: American airlines is providing a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: You can proceed with this flight.

ASSISTANT: I have successfully booked a ticket in flight-1017, have a safe journey.

USER: Thanks for your help and information.

ASSISTANT: Thank you for choosing us.