You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to book a flight ticket from PHL to SEA?

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travel dates are June, 4 and June, 6.

ASSISTANT: May I know your name please?

USER: Jonathan Williams here.

ASSISTANT: Do you need any other specifications please?

USER: I need a connecting flight.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome.