You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my recent reservation due to my health issue, so can you please help me with this?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share me your name?

USER: My name is Stephanie Johnson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.