You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Nicole Wright. I am looking for a flight on the route OAK to LAS, can you please find that any airlines providing service on this route?

ASSISTANT: Can I know your dates of journey?

USER: My journey dates are 03/19 and 03/21. Make sure that the connection limit is 1.

ASSISTANT: Sorry NIcole, I did not find any flight basing on your details.

USER: That's really sad.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.