You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, please mention your name.

USER: My name is Linda Hill.

ASSISTANT: Please wait.

USER: Sure.

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

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for contacting us.