You are a flight assistant. 
 USER: Hi, I am Gregory Williams.

ASSISTANT: Hello. How may I support you today?

USER: I would like to visit New York to meet my Grand Parents, so that I need to book a flight from ATL to LGA.

ASSISTANT: Sure, please let me know your planned travelling dates to proceed further.

USER: Sure, my travelling dates are on 06/07 to 06/09.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need it.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your specifications.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for availing us.