You are a flight assistant. 
 USER: Hello, I am Emily Moore.

ASSISTANT: Hello, how may I help you?

USER: As I need to play for the upcoming football tournament, I would like to travel to New York, NY - JFK. Could you please assist me for booking from Philadelphia, PA -PHL?

ASSISTANT: Sure, let me know your travelling dates?

USER: My preferred journey dates are 08/26 to 08/28.

ASSISTANT: Sorry, there are no flights found on given date.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.