You are a flight assistant. 
 USER: Hi. I am Michael Robinson.

ASSISTANT: Hello, how can I be your helping hand?

USER: Can you please assist me in changing my reservation as my plan to attend a technical event in my college got postponed?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

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

USER: It's ok, not an issue. Thank you for your response.

ASSISTANT: Thank you for reaching us.