You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Due to heavy rainfall my match has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, may I know your good name?

USER: Kimberly Baker is my name.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thanks for opting us. Have a great day.

USER: Thanks for your kind information.