You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, I am happy to help you. Please let me know your good name.

USER: My name is Emma Smith.

ASSISTANT: Sorry, there is no active reservation on your name in our data.

USER: Thanks.

ASSISTANT: Thank you for choosing us.