You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Do you have any direct flight from JFK to LAS?

ASSISTANT: Sure, I am here to help you. Can I have your journey dates?

USER: My travelling dates are 01/15 and 01/17.

ASSISTANT: May I know your name in the meanwhile?

USER: Ruth Davis here.

ASSISTANT: Sorry Ruth Davis, there is no flight found on your route with your preferences.

USER: Alright, thanks for your information.

ASSISTANT: Thanks for contacting us.