You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Actually, I would like to cancel my recently done reservation due to heavy floods, can you please help me in this intent?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Thank you. Sure, my name is Donna Edwards.

ASSISTANT: Donna, no reservation has been found on your name.

USER: That's fine. Thank you for your appreciable service.

ASSISTANT: Thank you for reaching us.