You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Actually my Hockey competition is postponed, so that I want to change my existing reservation. Can you help me?

ASSISTANT: Sure, may I know your name?

USER: Ok, my name is Sandra Allen.

ASSISTANT: Ok, please wait for sometime.

USER: Sure, I will wait.

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

USER: Ok, not an issue. Thank you for information.

ASSISTANT: Thank you for reaching us.