You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jerry Lewis.

ASSISTANT: How may I assist you?

USER: Can you please find a flight form EWR to LAS location for me?

ASSISTANT: Ok. Please share your trip dates.

USER: My travelling dates are from 06/12 and 06/14.

ASSISTANT: Sorry, there is no flight available.

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome.