You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Unfortunately my trip got cancelled due to same health issues, so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: Yes, I am Paul Allen.

ASSISTANT: Please wait, let me check.

USER: Ok.

ASSISTANT: Thank you for waiting. But I have not found any reservation under your name.

USER: OK, no problem.

ASSISTANT: Thank you for contacting us, take care of your health.

USER: Thank you for spending your valuable time.