You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to MSP from DCA, can you please help me out?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, my trip dates are Mar 26 and Mar 28.

ASSISTANT: May I know your name please?

USER: Ok, my name is Charles Carter.

ASSISTANT: Do you have any preferences to be met?

USER: Yes, my return time must be in afternoon. I am looking for a flight with 1 connection.

ASSISTANT: There is a flight in an airline American with 1023 number having a single connection price of 200 in an economy class. Shall I proceed to book?

USER: Ok, please confirm my reservation if my airline is within the normal cost.

ASSISTANT: Your flight ticket has been booked which is having it's return time in the afternoon.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.