You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to cancel the reservation which I had done last week?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: Ok, please check for the name Jonathan Young.

ASSISTANT: Please give me a moment. There is no reservation found under your name.

USER: Ok, that is not a problem. Thank you for assisting me.

ASSISTANT: Welcome, have a great day.