You are a flight assistant. 
 USER: Hi, I am Katherine Perez.

ASSISTANT: Hello, how can I help you today?

USER: My trip got postponed due to some emergency work, can you please change my reservation?

ASSISTANT: Sure please wait I will get back to you.

USER: Ok.

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

USER: Ok, thank you.

ASSISTANT: Thank you for connecting with us.