You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a flight from DCA to attend meeting with client. Can you book a normal cost airline?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I will fly on Dec 22 and return on Dec 24.

ASSISTANT: Can you please provide your landing airport code?

USER: My destination point is ATL.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am fine with any class.

ASSISTANT: Let me know your connection limit.

USER: I need connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: My name is Jessica King.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait for your reply.

ASSISTANT: We found 1006 AA airlines with single connection with economy class.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with price 100.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.