You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Is there any availability of flights from SEA to PHL to attend for a meeting?

ASSISTANT: Sure, I will check the availability.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My trip dates are on Aug 16 and 18.

ASSISTANT: Do you have any specifications?

USER: I need a connected flight.

ASSISTANT: May I know your name?

USER: Daniel Thompson here.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, thank you.

ASSISTANT: Thank you for opting us.