You are a flight assistant. 
 USER: Hello, I am Raymond Miller.

ASSISTANT: Hello, how may I serve you?

USER: Due to bad weather, match has been abonded. Can you please help me out in changing my recent reservation?

ASSISTANT: Sure, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there is no recent reservation found on your on name.

USER: OK, no issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.