You are a flight assistant. 
 USER: Hello. Debra Campbell here.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to cancel my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name.

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for reaching us.