You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Larry Martin. I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket?

ASSISTANT: Sure Larry, can I know the travel dates please?

USER: I would like to take off on 09/11 and return on 09/13.

ASSISTANT: Could you please provide the airport codes?

USER: My source airport code is CLT and destination airport code is LAS.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your ticket has been booked with flight number 1008.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for approaching us.