You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am John Anderson. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please, standby.

USER: Sure, Take your time.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for opting us.