You are a flight assistant. 
 USER: Hi. I am Catherine White.

ASSISTANT: Hello, do you need any help from us?

USER: Can you change my flight ticket reservation? As my Volleyball match is being postponed due to bad weather in New York.

ASSISTANT: I understand your request and will be happy to help you.

USER: Ok.

ASSISTANT: White, there is no reservation matching with your name in our portal to make changes further.

USER: That's ok, thank you for checking.

ASSISTANT: My pleasure.If any other questions arise, please feel free to contact us at any time.

USER: No. Thank you.