You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name please?

USER: My name is Donna Thomas.

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

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your information.

ASSISTANT: You are welcome.