You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I had to request for this change my recent reservation. Can you please me in that?

ASSISTANT: Sure, can I know your name?

USER: My name is Carol Turner.

ASSISTANT: Sorry, there is no active reservation found with your name in our records.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Most welcome.