You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you for the day?

USER: Due to some technical issues at my head office I need to change my reservation. Can you help me in changing my reservation?

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

USER: Carolyn Walker is my name.

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

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for choosing us.