You are a flight assistant. 
 USER: Hello,. I am Betty Hernandez.

ASSISTANT: Hello, how can I aid you?

USER: Due to some health issues I want to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Sure, I will wait for you.

ASSISTANT: Thank you for waiting. Sorry, we did not found any reservation on your name.

USER: Ok, no issues, thanks for your information.

ASSISTANT: Thank you for reaching us.