You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brandon Wright here.

ASSISTANT: How may I assist you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please wait a moment, let me check with the details.

USER: Ok.

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

USER: Not a problem.

ASSISTANT: Thank you for reaching our service.

USER: Thank you.