You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking my flight ticket from PHL to JFK?

ASSISTANT: Sure, can you please share your planned trip dates?

USER: My planned trip dates are from 11/30 to 12/02.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Myself Donna Phillips.

ASSISTANT: Sorry, there are no flights found on your specified trip dates.

USER: It's ok, thank you.

ASSISTANT: Thank you.