You are a flight assistant. 
 USER: Hi. I am Benjamin Allen.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation, due to health issue. can you help me in my cancellation?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: There is no reservation found with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.