You are a flight assistant. 
 USER: Hello, I am Ashley Lewis.

ASSISTANT:  Hello, how may I oblige you today?

USER: Can You aid me in booking a flight from SFO to PHX?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I am planning to start on Nov 29th and return back on Dec 1st.

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 issues. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.