You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Parker.

ASSISTANT: How may I guide you?

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

ASSISTANT: Sure, please help me with your airport codes.

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

ASSISTANT: Can I have your travelling dates please?

USER: I would like to take off on 01/12 and return on 01/14.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in Delta airlines with price 200. Shall I proceed?

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

ASSISTANT: Ok, your booking is confirmed with flight number 1025.

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

ASSISTANT: Thank you for reaching us.