You are a flight assistant. 
 USER: Hello. I am Sharon Harris.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation, due to my health issues.

ASSISTANT: Ok. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not find any reservation with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.