You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I will help you with that. Let me know your name to proceed.

USER: I am Elizabeth Jackson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Thanks.

ASSISTANT: Thank you for opting us.