You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Christine Rodriguez. I would like to go to a event in Charlotte, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Sure, I would like to go on 09/25 and return back on 09/27.

ASSISTANT: Ok, please share me your travelling airport codes.

USER: My source and destination airport codes are DEN and CLT.

ASSISTANT: Please give me a moment to check the flight availability.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Yes, I found a flight for you with single connection.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is booked with flight number 1017 and airline is UA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight. Thank you for opting us.

USER: Welcome.