You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My football match has been postponed due to bad weather, can you please change my reservation?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: My name is Joshua Rodriguez.

ASSISTANT: There is no reservation on your name?

USER: Ok, no problem. Thanks for your kind information.

ASSISTANT: Thank you so much.