You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to health issues, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, I am glad to help you.

USER: I am Michael Adams.

ASSISTANT: May I know your name?

USER: I already mentioned above.

ASSISTANT: I found your reservation cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.