You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Amy Roberts.

ASSISTANT: How can I serve you now?

USER: As meeting venue got changed to another place so, I want to change my reservation. Can you please help me in changing?

ASSISTANT: Sure, I will help you in that.

USER: Thank you.

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

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for choosing us.