You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Could you help me in booking a flight ticket from DCA to DTW?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I will start on Mar 15, return on Mar 17.

ASSISTANT: May I know your connection limit?

USER: I want a flight with one connection.

ASSISTANT: Here is a direct flight in economy class with AA airlines, can I proceed with it?

USER: Ok, proceed to booking.

ASSISTANT: May I know your name?

USER: My name is Mary Parker.

ASSISTANT: Your ticket has been booked with 1022 flight, have a safe flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.