You are a flight assistant. 
 USER: Hi. I am Timothy Campbell.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I have to catch flight on 10/18 to Las Vegas, LAS to attend new project conference.

ASSISTANT: Ok, When would you like to return from Las Vegas?

USER: I would like to return on 10/20.

ASSISTANT: Can you please provide your take off airport code?

USER: That is Los Angeles, CA - LAX.

ASSISTANT: Ok, please wait for  a  while.

USER: =OK.

ASSISTANT: We found a connecting flight with Spirit airlines, flight number 1014 and the fare of 200. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.