You are a flight assistant. 
 USER: Hi,. I am Andrew Wilson.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation due to some health issues. Can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while to check the reservation list.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, no reservation was found based on your name.

USER: Ok, no issues. Thanks for your quick response.

ASSISTANT: Thank you for choosing us.