You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation, can you please help me?

ASSISTANT: Sure, I will help you. Can you please tell me your name?

USER: I am Donna Gonzalez.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Ok, not an issue. Thank you.

ASSISTANT: You are welcome. Thank you for choosing us.