You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Gregory Hall here. I want to visit my friend's new hotel to look after his business for a day in his absence, can you please book a flight ticket from PHL to LGA?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my planned dates are from 04/04 and 04/06.

ASSISTANT: Please wait for a moment.

USER: Take your own time to get a flight for me.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.