You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Matthew Roberts here. I want to cancel my recent reservation due to some health issues. Can you please help me in that?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, here there is no reservation found under your name in our database.

USER: Ok, not a problem. Anyway thank you for your information.

ASSISTANT: Thank you for reaching us.