You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you today?

USER: Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation.

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: Sure. May I know your good name?

USER: Scott Davis here.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for choosing us.