You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that you need from our agency?

USER: Can you please book a flight ticket from PHL to LGA?

ASSISTANT: Sure, I can help you and may I know your desired travel dates?

USER: Sure, my journey dates are June 13 and June 15.

ASSISTANT: Is there any timing preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your name please?

USER: I am Sarah Hill.

ASSISTANT: I regret to inform you that, I am unable to find a flight on your journey dates to book a flight ticket for you.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us and have a nice day.