You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: John Moore here. Can you search a flight from JFK to PHL to attend my sports events.

ASSISTANT: Sure, may I know your planned dates?

USER: My travel starts on 10/10 to 10/12. Make sure with connection 0.

ASSISTANT: Sorry Moore, flight's found on your request. No flight's available.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Thank you for contacting  us.