You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Stephanie Phillips.

ASSISTANT: What kind of help are your expecting from my side?

USER: I want  a flight from LAS to ORD as I there is a show to host.

ASSISTANT: Can I know your travel dates?

USER: My travelling dates are 03/16 to 03/18.

ASSISTANT: Sorry Phillips, I couldn't find any flight on your basis.

USER: No issue. Thank you for your time.

ASSISTANT: You are welcome.