You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

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

ASSISTANT: How may I assist you today? Sure, may I know your name for cancellation?

USER:  My name is Katherine Miller.

ASSISTANT: Please wait a moment, let me check with your details.

USER: Ok, please take your time.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching our service.