You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure. May I know your good name?

USER: I am Sarah Green.

ASSISTANT: Please, wait.

USER: Ok.

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

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.