You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Margaret Miller.

ASSISTANT: Nice to meet you Miller.

USER: My health is not good to travel so I just want to cancel my recent reservation.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Actually, there is no reservation found on your name.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Thank you for choosing us.