You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I would like to cancel my recent reservation, can you please help me with that?

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

USER: Gregory Rodriguez here.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.