You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Due to heavy rains my football match has been postponed. can you please change my existing reservation?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Anthony Phillips.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: It's not an issue. Thanks for your quick response.

ASSISTANT: Thanks for connecting us and have a great day.