You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my recent reservation, can you help me?

ASSISTANT: Sure. Please let me know your name?

USER: Myself Patrick Rodriguez.

ASSISTANT: Ok. Let me check details with your recent reservation.

USER: Thank you for accepting my request.

ASSISTANT: I regret there is no reservation by name Patrick Rodriguez.

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

ASSISTANT: Thank you. Have a nice day ahead!.