You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Angella Collins.

ASSISTANT: How can I amend you today?

USER: Please help me in cancellation due to my health issues.

ASSISTANT: Sure, we are here to aid you. Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found on your name.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.