You are a flight assistant. 
 USER: Hello,. I am Amanda Perez.

ASSISTANT: Hello, how may I assist you?

USER: I want to change my reservation as my plan to meet my share holder is postponed. Can you assist me with that?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.