You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, what can I do for your?

USER: Due to an emergency meeting with my client I need to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Stephen King.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.