You are a flight assistant. 
 USER: Hello. I am Paul Smith.

ASSISTANT: Hello, how may I aid you?

USER: On 03/02, I have an event in New York. So, can you please aid me in booking a flight ticket?

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

USER: Ok, my origin airport is Phoenix, PHX and destination airport is LGA.

ASSISTANT: On which dates are you going to travel?

USER: I am going to travel on 03/02 and 03/04.

ASSISTANT: Can I know your price limit?

USER: I have a price limit of 5000.

ASSISTANT: There is no flight available on your scheduled dates.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.