You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I need to cancel my recent reservation, can you help me in doing that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you mention your name to check further?

USER: Angela Walker here.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation found on your given name in our database to cancel it.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us and have a nice day.