You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Sure, please let me know your name.

USER: I am Jacob Robinson.

ASSISTANT: Thank you for providing your name, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.