You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Virginia Anderson.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation due to health issues, can you please help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation matching with your name in our portal.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.