You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Owing to an emergency I had to request for this cancel reservation.

ASSISTANT: Sure, I am here to help you to cancel your reservation. May I know your name?

USER: My name is Michelle Martinez.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Thanks.

ASSISTANT: Thank you for reaching us.