You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Charles Wilson. Can you please help me in booking a flight ticket from IAD to JFK?

ASSISTANT: May I know your desired travel dates please?

USER: I want to fly on July 02 and return on July 04.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked, flight number 1006, departure time is 4:00 AM and arrival time is 6:00 AM.

USER: Thank you.

ASSISTANT: Thank you for opting us.