You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am Charles Miller.

ASSISTANT: Thanks for providing your name.

USER: I need to book a flight ticket from IAD it's  a round trip, Can you please help me for booking?

ASSISTANT: Sure, may I know your journey dates?

USER: I would like to travel on 08/01 to 08/03.

ASSISTANT: Do you need any other specifications?

USER: I need  a connecting flight with fare of 1000.

ASSISTANT: Thanks for your details, there is a flight found with AA airline of flight number 1007 and fare is 100.

USER: Ok, proceed for  booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you.