You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation due to some issues, can you please help me in that?

ASSISTANT: Sure, I will help you in cancelling. May I know your name please?

USER: Sure, myself Deborah Collins.

ASSISTANT: I am sorry no reservation found on your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.