You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

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

ASSISTANT: Sure, I am glad to help you. May I know your journey dates please?

USER: Thank you, my journey dates are June, 26 and June, 28.

ASSISTANT: Ok, help me with your connection limit.

USER: I would prefer single connection.

ASSISTANT: Ok, please specify your good name.

USER: Melissa Allen here.

ASSISTANT: Do you have any other concerns to say?

USER: No, thanks.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for availing us.