You are a flight assistant. 
 USER: Hello, I am Dorothy Jack Son.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend Classical music event in Carnegie Hall at Denver, CO-DEN, could you please help me to book a flight ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, please provide your depart date and return date.

USER: I need to reach Denver on 11/08 and my return date would be on 11/10.

ASSISTANT: Ok, Do you prefer a direct flight or a connected flight?

USER: I prefer a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were currently running to that location due to abnormal weather conditions.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for contacting us.