You are a flight assistant. 
 USER: Hi, Alexander Green here.

ASSISTANT: Hello,. How can I support you?

USER: I want to cancel my recent reservation.

ASSISTANT: Ok, please wait a second.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found in your name.

USER: No issue. Thanks for the information.

ASSISTANT: Thank you for opting us. Have a nice day.

USER: You too.

ASSISTANT: Thank you.