You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from DCA to CLT?

ASSISTANT: Sure, I am very happy to assist you. May I know your name?

USER: I am Daniel Harris.

ASSISTANT: Thank you. Could you please let me know your travel dates?

USER: I want to travel on 02/25, and return on 02/27.

ASSISTANT: Noted. May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Please let me know your departure and arrival timings.

USER: I am fine with any time.

ASSISTANT: Ok, do you prefer for a connecting flight or direct flight?

USER: I am comfortable with any connection.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight having single connection with AA Airlines and the ticket fare is 200 only in economy class. Flight will take-off at 18:00 hours and arrives at 22:00 hours. Can I book the ticket for you?

USER: Proceed with the booking.

ASSISTANT: Your ticket is confirmed successfully with the flight-1027.

USER: Thanks for the help.

ASSISTANT: You are welcome and thank you for choosing us.