You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Dorothy Mitchell. Can you book a ticket from ATL to DCA?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are on Apr 26 and 28.

ASSISTANT: Could you please provide the departure and return time?

USER: I want to return at afternoon.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight in Frontier airline with price 100, can I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1006 in economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.