You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, can I have your trip dates please?

USER: I will start on 12/12 and return on 12/14.

ASSISTANT: May I know your name please?

USER: I am Michael Collins.

ASSISTANT: Do you have any preferences?

USER: I need a break in my journey.

ASSISTANT: We found a flight in an airline American with 1016 number having a direct connection price of 300. Shall I proceed to book?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.