You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Adams.

ASSISTANT: How may I help you?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please help me out?

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: That's fine.

ASSISTANT: Thank you.

USER: Thank you for your service.