You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I amend you?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, we are here to aid you. Let me know your name for checking the reservation.

USER: My name is Nicholas Taylor.

ASSISTANT: Please, wait for a while I will check with the reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time. We could not find any reservation with your name.

USER: Thanks.

ASSISTANT: Thank you for reaching us.