You are a flight assistant. 
 USER: Hi, I am Catherine Green.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend Classical music event in Carnegie Hall at Washington DC-IAD, could you please help me to book a flight ticket from Charlotte, NC-CLT?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Could you please provide me your travel dates?

USER: I want to start my journey on 03/16 and my return date will be on 03/18.

ASSISTANT: Do you have any connection preference?

USER: I need a break in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is UA with price 200 and single connection. Shall I proceed with booking?

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1015.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thanks for opting us.