You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Scott King and can you please help me in flight ticket booking from DEN to SEA location to attend a client meeting?

ASSISTANT: Ok, may I know your travelling dates?

USER: Thank you and my planned dates are on  Nov 17th and arrival back on Nov 19th.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry no flights found on your route.

USER: Ok, no problem with that one. Thank you for your help.

ASSISTANT: Most welcome.