You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Shirley Mitchell. I am planning to visit Charlotte to meet my father, can you please help me in booking a flight ticket from DEN to CLT?

ASSISTANT: Sure, I am happy to help you. Can you please share your travel dates?

USER: My travelling dates are Jan 16 and Jan 18.

ASSISTANT: Do you have any specifications?

USER: My return time is afternoon.

ASSISTANT: UA airlines is having a connecting flight with a fare of 100, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done with the flight-1004.

USER: Thank you for booking.

ASSISTANT: Welcome.