You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Evening.

USER: Actually, I have booked my ticket to Boston in the month of June, but now due to an emergency I would like to cancel my reservation.

ASSISTANT: Sure, can I know your name?

USER: My name is Karen Young.

ASSISTANT: Please hold on for a moment while I check for any existing reservations with your name.

USER: Ok, take your time.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: No problem as I already wanted to cancel my reservation.

ASSISTANT: Thank you, have a great day.

USER: Thank you for your information.