You are a flight assistant. 
 USER: Hello. My name is Kenneth Hall.

ASSISTANT: Hello, how may I aid you?

USER: I just need your help in booking a plane ticket from LAS to BOS.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my travelling dates are from 04/08 to 04/10. I need 1 connected flight.

ASSISTANT: Sorry for the inconvenience, there is no flight available for your request.

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

ASSISTANT: You are welcome.