You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Linda Mitchell. Owing to an emergency, I want to cancel my reservation.

ASSISTANT: Ok.

USER: So please help me in the cancellation.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we have not found any reservation with your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.