You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you today?

USER: I need to schedule my trip to Atlanta to attend a business meeting. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Let me know your airport codes please.

USER: My source airport code is DCA and destination airport code is ATL.

ASSISTANT: May I know your planned dates to travel?

USER: I will start my journey on Mar 16 and return on Mar 18.

ASSISTANT: Do you have any concerns in time to travel?

USER: Yes, I need to return in the afternoon flight.

ASSISTANT: Please share your name.

USER: Myself Joshua Green.

ASSISTANT: Are you willing to travel with a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: We are glad to inform you that, there is a flight which matches your request.

USER: Ok, please share the flight details.

ASSISTANT: Sure, you can go in American airlines, flight number is 1019 provided with economy class.

USER: I am very comfortable with American Airline . Please, confirm my seat.

ASSISTANT: Ok, your ticket is reserved.

USER: Thank you for your kind help.

ASSISTANT: Thank you, Have a nice day.