You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my recent reservation due to bad health issues, can you help me with that?

ASSISTANT:  To proceed further, can I have your name please?

USER: I am Gary Rodriguez.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: I found your reservation and I have cancelled it.

USER: Ok, thank you.

ASSISTANT: Welcome, have a nice day.