You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: Please assist me in booking a flight ticket from DCA to CLT.

ASSISTANT: Ok, please mention your name to proceed with further process.

USER: I am Patrick Nelson.

ASSISTANT: May I know your starting and returning dates for this trip?

USER: I planned to travel in between Jan 28 and Jan 30.

ASSISTANT: Patrick Nelson, please provide your connection preference.

USER: Connection flight is needed.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: There is a flight available for you with 1 connection at the price of 100 by American Airlines in economy class with depart time at 4:00 hours and return time at 1:00 hours. Can I reserve a ticket for you?

USER: Sure, proceed to book it.

ASSISTANT: Your ticket is successfully reserved for this journey.

USER: Thanks for your booking.

ASSISTANT: Thank you for choosing our agency.