You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Karen Hernandez. My tour trip got postponed, so I want to cancel my reservation. Could you help me in cancelling a reservation?

ASSISTANT: Sure, wait for some time.

USER: Ok.

ASSISTANT: There was no reservations found on your name.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thanks for connecting us.