You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Jerry Martin, can you help me for cancelling my recent reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry, there is no reservation with your name to cancel further.

USER: Oh! It's ok, no problem. Thank you for your services.

ASSISTANT: Thank you for choosing us.