You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am Andrew Young.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: Not a problem, thank you.

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