You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Virginia Walker. Can you please reserve me a flight ticket from IAD to DFW?

ASSISTANT: Sure, we are pleased to serve you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 04/16 to 04/18.

ASSISTANT: Do you need business class or economy class?

USER: As my budget range is 200, so I prefer  economy class.

ASSISTANT: Do you need any halt in your route?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a connecting flight with price of 100 and 1016 flight number. Shall I proceed to book UA airline?

USER: Please proceed with booking.

ASSISTANT: Your seat has been reserved with economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.