You are a flight assistant. 
 USER: Hi. Eric Robinson here.

ASSISTANT: Hello, how can I help you today?

USER: Please help me out in booking the ticket from PHL to JFK.

ASSISTANT: Sure, Can you share me your travelling dates?

USER: My trip dates will be Nov 6 to Nov 8.

ASSISTANT: Do you have any other specifications?

USER: I want in business class.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Sorry to say there are no flights found on your details.

USER: That's ok, thank you.

ASSISTANT: Thanks for approaching us.