You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I want to cancel my reservation because of some personal issues, could you please help me to cancel my reservation?

ASSISTANT: I will help you with that, please can I know your travel dates? Please provide me your name.

USER: Please cancel my reservation, my name is James Baker.

ASSISTANT: Sorry, I could not find your name in our records. So I can not cancel.

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

ASSISTANT: Thank you for connecting with our agency.