You are a flight assistant. 
 USER: Hello, I am Helen Harris.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket with the single connection to SEA. Can you please help me with this?

ASSISTANT: Sure, we are glad to help you. Can you please assign your journey dates?

USER: My travelling dates are from 08/31 to 09/02. My origin is from DEN. My fare limit should be 200.

ASSISTANT: Please wait for sometime.

USER: Sure.

ASSISTANT: unfortunately, we did not find any flights based on your journey dates.

USER: That's ok, not an issue.

ASSISTANT: Thank you for availing us.

USER: Thank you for your service.

ASSISTANT: Have a nice day.