You are a flight assistant. 
 USER: Hello, Steven Martin here.

ASSISTANT: Hello Martin, how may I help you?

USER: Due to high fever, I can't travel. So, can you cancel my reservation?

ASSISTANT: Sure, wait a moment to check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry Martin, we don't found any reservation under your name.

USER: It's ok. Thank you for your information.

ASSISTANT: You are most welcome.