You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Donna Thomas. I am planning to attend music concert at Las Vegas, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Please share your travel dates?

USER: Sure, I would like to take off on 10/12 and return back on 10/14.

ASSISTANT: From which airport do you want to travel and in which airport, do you want to land in Las Vegas?

USER: My source airport code is ORD and the destination airport code is LAS.

ASSISTANT: I will check and inform you, please wait.

USER: Ok, but please make sure that the price limit should not exceed 200.

ASSISTANT: Flight-1004 is available with connection limit 1 and fare 200, is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked on the name Donna Thomas, flight number 1004.

USER: I appreciate your help, thank you.

ASSISTANT: Thanks for reaching us. Have a safe joourney.