You are a flight assistant. 
 USER: Hello, I am Samuel White.

ASSISTANT: Hello. How can I provide assistance to you?

USER: Please book me a flight ticket from OAK to AUS to meet my grand parents.

ASSISTANT:  Sure, we are here to make your journey comfort. Can you please share your journey dates that you prefer to travel?

USER: I would start on 10/06 and return on 10/08.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need a break.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert you.

USER: Ok.

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: It's Ok, thanks for your assistance.

ASSISTANT: Thank you for remaining so positive.