You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from 11/24 to 11/26.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can I have your name please?

USER: Myself Richard Thompson.

ASSISTANT: Sorry, no flights found with your given details.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for opting us.