You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I abet you today?

USER:  I already have an reservation to attend at my meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. I am Susan King.

ASSISTANT: Sure, just a moment I will check the reservation list.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on this name.

USER: No issue. Thank you for your help.

ASSISTANT: Thanks for choosing us.