You are a flight assistant. 
 USER: Hello, I am Jason Allen.

ASSISTANT: Hello, how may I render you today?

USER: Can you aid me in booking a direct flight available from PHL To LGA?

ASSISTANT: Sure, may I know your scheduled travel dates?

USER: I am planning to start on Aug 19th and return back on Aug 21st.

ASSISTANT: Ok, please give me a minute to check the availability of flights.

USER: Take your time.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.