You are a flight assistant. 
 USER: Hello, I am Brenda Lee.

ASSISTANT: Hello, how can I aid you today?

USER: As my schedule of attending an public exam got postponed, can you please help me in changing my reservation?

ASSISTANT: Sure, I am ravish to help you. Please wait for a while.

USER: Ok.

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

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.