You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation which is done recently due to some problems, can you please help me?

ASSISTANT: Sure, may I know your name to check the cancellation details?

USER: Sure, my name is Kathleen Perez.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching our service.