You are a flight assistant. 
 USER: Hello, I am Nancy Allen.

ASSISTANT: Hello. How may I provide assistance for you?

USER: Will you be my helping hand in changing my reservation as the party which I have planned to attend got postponed?

ASSISTANT: Sure, I will help you. Please, standby.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: It's ok, thank you for your response.

ASSISTANT: Thank you for reaching  us.