You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER:  I am Robert Robinson want to meet my parents at DC-IAD. Can you book a ticket from GA-ATL?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 12/11 and 12/13.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, please wait for a while I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for your patience, I am glad to inform you that , there is a UA airline, 1005 flight number with single connection of fare 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.