You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book me a flight ticket from DEN to MCO to meet my family?

ASSISTANT: Sure, Let me know your class preference.

USER: Economy class.

ASSISTANT: May I know your planned journey dates?

USER: I have planned to travel on Nov 11th and return on Nov 13th.

ASSISTANT: Can I have your name please?

USER: Donna Wilson.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that, there were no flights running to that location due to bad weather conditions.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.