You are a flight assistant. 
 USER: Hello, I am Elizabeth Rodriguez.

ASSISTANT: Hello, how may I assist you today?

USER: I am going to the Hoover Dam Bypass in Las Vegas. Can you book me a plane ticket on dates from 01/18 to 01/20.

ASSISTANT: Sure, may I know your source and destination airport codes please?

USER: I would like to board at New York, NY - LGA and land at Las Vegas, NV - LAS?

ASSISTANT: Do you have any specifications?

USER: Yes, My price limit is 200.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight with fare 400. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.