You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best can I aid you for the day?

USER: I have planned to attend my business meeting but due to technical problem it got postponed, so I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name the ticket has been reserved?

USER: I have done the reservation on the name is Carolyn Wright.

ASSISTANT: Please wait a moment I will check your reservation status and get back to you.

USER: Ok, I will be waiting.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.