You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Lisa Gonzalez. Owing to an emergency, I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, we are here to help you. Please wait for a while, I will check with the reservation list and revert you.

USER: Sure.

ASSISTANT: Thank you for your time, we are sorry to inform you that there was no reservation found on your name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for availing us.