You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to travel from IAD to CLT. Please help me in booking my ticket.

ASSISTANT: Sure, I will help you in booking. To check further please share me your trip dates.

USER: Thank you and my trip dates are from 02/10 to 02/12.

ASSISTANT: May I know your name?

USER: Myself George Garcia.

ASSISTANT: George Garcia, do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am looking for economy class.

ASSISTANT: Is there anything else to want to check with?

USER: No.

ASSISTANT: Here I found a connecting flight with American Airlines and the airfare is about 200. Can I book flight 1028?

USER: Please book this ticket for me.

ASSISTANT: For an economy class you ticket is booked and the departure time is 6:00AM and the arrival time is 21:00AM.

USER: Thank you.

ASSISTANT: Thank you for your help.