You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to travel on 03/26 to return on 03/28.

ASSISTANT: May I know your connection limit?

USER: I am comfortable with any connections.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Andrew Johnson here.

ASSISTANT: There is a flight available with price 200 and the connection is 1007 flight number and the depart time is 0:00 hours, return time is 17:00 hours.

USER: Ok, proceed for booking.

ASSISTANT: Your booking us confirmed with economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for contacting us.