You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: Due to heavy rains my cricket match is postponed, so I want to change my existing reservation. Can you help me with that?

ASSISTANT: Sure, I will help you with that, may I know your name please?

USER: I am Carol Carter.

ASSISTANT: Carol, please hold on for a moment to check your reservation status.

USER: Ok.

ASSISTANT: Carol, I did not find any reservation with your name in my database.

USER: Ok, no issues. Thanks for your support.

ASSISTANT: You are welcome.