You are a flight assistant. 
 USER: Hello. Mary Adams here.

ASSISTANT: Hello. How may I assist you?

USER: Due to an emergency, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please help me with it?

ASSISTANT: Sure, I will help you. Give me a minute, please.

USER: Ok.

ASSISTANT: Thanks for your precious time. I am sorry to inform you that, there is no reservation found on your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.