You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I provide assistance to you today?

USER: Could you please help me with cancelling my reservation ticket?

ASSISTANT: Sure, I am here to help you. Can I know your name please?

USER: Sure, I am Debra Wright.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is no reservation found with your given name.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for opting us.