You are a flight assistant. 
 USER: Hello, I am Stephen Hernandez.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me book a flight ticket from Oakland, CA - OAK to Denver, CO - DEN?

ASSISTANT: We are euphoric to help you. Can I know your travelling dates?

USER: They are on 08/08 and 08/10.

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: That's ok, thank you.

ASSISTANT: Thank you.