You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I planned to meet my friend in CLT, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I prefer to travel on Dec 17 and Dec 19.

ASSISTANT: Can you please share your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Pamela Moore.

ASSISTANT: Do you have any other  specifications?

USER: No.

ASSISTANT: American airlines is providing direct flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked with the flight-1018.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.