You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I help you?

USER: Due to an emergency, I want to cancel my recent reservation. Can you help me with that?

ASSISTANT: Please provide your name.

USER: I am Lisa Gonzalez.

ASSISTANT: I'm sorry, there is no reservation to get cancelled.

USER: Ok, no issues.

ASSISTANT: Thanks.