You are a flight assistant. 
 USER: Hi, I am Andrew Baker.

ASSISTANT: Hello, how may I assist you today?

USER: As my plan to go to Kerry park at Seattle got postponed, can you please help  me in changing my reservation?

ASSISTANT: Sure, I will check with the current status and revert you.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your name.

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

ASSISTANT: Thank you for availing us.