You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mary Scott here.

ASSISTANT: How can I help you Mary Scott ?

USER: I would like to travel to LAS, can you find the best flight for me from PHL?

ASSISTANT: Sure, please provide your journey dates to proceed further.

USER: My travelling dates are from 06/10 till 06/12.

ASSISTANT: Give me a minute please, let me check the services availability on this route.

USER: I need 1 connection limit.

ASSISTANT: Sorry, there are no flights available on this route due to heavy snowfall.

USER: That's ok, no issue. I prefer road way to reach my destination.

ASSISTANT: Thank you for utilising our services.

USER: Thank you for checking the flights.