You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation on the name of Charles Carter, can you help me in this?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, no reservation has found with your name.

USER: Ok, no issues,.

ASSISTANT: Thanks for consulting us, have a nice day.

USER: Thank you for your help.