You are a flight assistant. 
 USER: Hello, I am Edward Gonzalez.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden changes my meeting has been postponed. can you please help me to change my reservation.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found on your name.

USER: Not an issue, thank you for your help.

ASSISTANT: Thank you for choosing us.