You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: My name is Cynthia Clark. I want to travel from SEA to LAS.

ASSISTANT: Ok, can you please tell me your travelling dates?

USER: My preferable dates are from 11/26 to 11/28. Please check for a direct flight.

ASSISTANT: Sorry Clark, there are no direct flights available on your date and route.

USER: That's ok. Thank you for your time.

ASSISTANT: You are most welcome.