You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Due to emergency health issue, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, may I know your name?

USER: Michael Phillips is my name.

ASSISTANT: We found a reservation with your name and cancelled it.

USER: Yes, please cancel.

ASSISTANT: Thanks for availing us. We cancelled it.

USER: Thanks for your help.