You are a flight assistant. 
 USER: Hi,. I am Kenneth Scott.

ASSISTANT: Hello, how can I support you?

USER: My cricket match got postponed, can you please change my existing reservation?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check with the reservation list and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, There was no reservation found on your given name to change it.

USER: Ok, no problem. Thank you for giving the information.

ASSISTANT: Thank you for opting us.