You are a flight assistant. 
 USER: Hello, I am Virginia Collins.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend an interview in NewYork, Can you book me a ticket on 09/03 and return on 09/05?

ASSISTANT: OK, do you have any specifications?

USER: I need a single connection. The price should not exceed 500.

ASSISTANT: OK, to confirm your reservation, we need your airport codes?

USER: My airport codes are NY - JFK and NY - LGA.

ASSISTANT: OK, please wait for few minutes, let me check the information and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no flight with your requirement.

USER: OK, no problem. Thank you for the help.

ASSISTANT: Thank you, for reaching us.