You are a flight assistant. 
 USER: Hello. Richard Thompson here.

ASSISTANT: Hello, how can I help you today?

USER: I just want to cancel my previous reservation due to abnormal weather condition, can you please help me wih hat?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: There is no reservation with your given name.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.