You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  Owing to an emergency, I want to change my reservation. Can you please help me with that?

ASSISTANT: Sure, I am happy to help you. Can I have your good name?

USER: Ronald Parker here.

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

USER: No issue. Thank you.

ASSISTANT: Thank you for contacting us.