You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today.

USER: Owning to an emergency I had to request for this change reservation. Can you please help me to change an existing reservation?

ASSISTANT: Sure, may I know your good name to check the reservation?

USER: My name is Laura King.

ASSISTANT: Thank you for providing your name. There is no reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.