You are a flight assistant. 
 USER: Hello, I am Stephen Garcia.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a business meeting in NY - JFK on 07/27.

ASSISTANT: Ok, kindly provide your source point and return date of your journey?

USER: I am starting from PA - PHL and return on 07/29 with a price limit of 1000 and a single connection.

ASSISTANT: Sorry to inform that we have no flight regarding to your specifications.

USER: Thanks for the information.

ASSISTANT: Thanks for contacting us.