You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Michelle Robinson.

ASSISTANT: Nice meeting you Robinson.

USER: Due to weather conditions, I want to change my reservation.Can you please help me for that?

ASSISTANT: Sure, I am here to help you. Please hold on for a moment. Michelle, there is no reservation found on your requested name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us with your query.