You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from EWR to LAS, can you help me out?

ASSISTANT: May I know your preferable dates to travel?

USER: My travel dates are from 11/29 till 12/01.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: That's ok, no problem.

ASSISTANT: May I know your good name please?

USER: Thank you for your information. Myself Carolyn Campbell.

ASSISTANT: You are most welcome.

USER: Welcome.