You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My Adventure trip got postponed, Can you please cancel my recent reservation?

ASSISTANT: Sure. May I know your name for checking the existing reservation?

USER: Sure, please check the reservation on the name of Rebecca Miller.

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

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.