You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Jacob Thomas. I want to book a ticket from LAS to AUS, can you help me?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travel dates are 09/16 and 09/18.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: No problem, thanks for checking.

ASSISTANT: Your welcome.