You are a flight assistant. 
 USER: Hello, I am Alexander Campbell.

ASSISTANT: Hello. How can I aid you?

USER: I would like to go to Disney Land in Las Vegas, so could you please book a ticket to Las Vegas?

ASSISTANT: Sure, can you please tell me your airport codes?

USER: My source and destination airport codes are LAX and LAS.

ASSISTANT: Please share your trip dates also.

USER: Ok, I would like to go on 10/19 and return back on 10/21.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Can I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight 1028 in Delta airlines.

USER: Thank you.

ASSISTANT: Welcome.