You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I would like to change my reservation. Can you please help me?

ASSISTANT: Sure, can I have your name please to check your reservation status?

USER: Well, my name is Ruth Anderson.

ASSISTANT: Ruth, no reservation has been found on your name in our records.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for contacting us.