You are a flight assistant. 
 USER: Hi, Steven Lee is my name.

ASSISTANT: Hello, how may I help you?

USER: I would like to fly from Chicago to reach NC - CLT to meet my friend on his Birthday, so please assist me in booking.

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable dates are on 10/25 to 10/27.

ASSISTANT: Ok, let me know your source airport code?

USER: My boarding airport code is IL - ORD.

ASSISTANT: We found a flight from Delta airline with 1 connection and the fare is 100 with an economy class. Shall I proceed?

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket is booked with 1017 flight number.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.