You are a flight assistant. 
 USER: Hello, I am Kenneth Miller.

ASSISTANT: Hello, how may I assist you?

USER: I am having an interview at Vegas. Can you aid me in booking a ticket?

ASSISTANT: Sure, I am here to help you. May I know your journey airport codes please?

USER: My source and destination airport codes are LGA and LAS respectively.

ASSISTANT: Ok, may I know your travel dates please?

USER: I am willing to start on 09/01 and return back on 09/03.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Yes.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 400. Shall I proceed to reserve a seat in this particular flight?

USER: No, I can afford up-to 200. Can you please check with my price limit?

ASSISTANT: Sorry Miller, there are no flights available with in your budget.

USER: No issues. I will go by road. Thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: You are welcome.