You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me with cancelling my recent reservation?

ASSISTANT: Yes, I am here to help you. May I know your name to check the reservation list?

USER: My name is Mark Clark.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Ok.

ASSISTANT: Thank you for your time, sorry to inform no reservation found on your name.

USER: That's ok, thanks for the information.

ASSISTANT: Thank you for opting us, have  a good day.