You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jacob Thompson here.

ASSISTANT: How may I help you?

USER: Can you cancel my flight reservation? As my baseball match got postponed due to bad weather in Chicago.

ASSISTANT: Sure, just a second please.

USER: Ok.

ASSISTANT: I am sorry no reservation found on your name.

USER: It is not a problem. Thanks for your information.

ASSISTANT: Thank you for using our service.