You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please cancel my reservation as I am sick and can not make it to the trip?

ASSISTANT: Sure, can you give me your name?

USER: My name is Kevin Lee.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.