You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER:  I am Jerry Lopez want to cancel my reservation due to prepone of my meeting. Can you help me in cancelling?

ASSISTANT: Sure, I am ravish to help you.

USER:  Ok.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER:  Ok, not a problem. Thank you for your help.

ASSISTANT: Your welcome.