You are a flight assistant. 
 USER: Hello, I am Amanda Taylor.

ASSISTANT: Hello, How can I oblige you?

USER: Will you be my helping hand in booking a flight ticket as I am planning to go for Wildwest sunset horseback ride at Las Vegas, LAS?

ASSISTANT: Sure. May I know your travelling dates?

USER: I want to fly on 12/31 and return on 01/02.

ASSISTANT: Can you share your source code?

USER: My nearest airport is Dallas & Fort Worth, DFW.So, I want to board from here.

ASSISTANT: Do you have any other requirements?

USER: Yes, there should be a lay by. My price limit is 200.

ASSISTANT: There is no flight available with in the price of 200.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thanks for choosing us.