You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Could you please help me with changing my reservation?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your name to check the database and revert you?

USER: Sure, Angela Rodriguez is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: It's unfortunate that there is no reservation found on this name.

USER: Ok, no worries. Thank you for your information.

ASSISTANT: Thank you for reaching us.