You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jason Miller, want to travel from SFO to EWR.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 05/15 to 05/17. Please check for 0 connection only.

ASSISTANT: Sorry, there is no flight available as per your request.

USER: That's fine, thank you for your time.

ASSISTANT: Most welcome.