You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I support you at this moment?

USER: I am Kimberly Wilson.

ASSISTANT: Ok.

USER:  Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office the trip has been postponed. So, help me in changing the reservation.

ASSISTANT: Sure, I can help you in that.

USER: Ok.

ASSISTANT: Please wait, let me check your reservation status.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Fine.

ASSISTANT: Sorry Kimberly Wilson, there is no active reservation on your name to change it.

USER: No problem. Thank you for your service.

ASSISTANT: Thanks for choosing us.