You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, I will help you in cancelling. Please help me with your name to check with the status.

USER: Myself Helen Perez.

ASSISTANT: Helen Perez, I found a reservation under your name and it is cancelled.

USER: That's fine, thank you for the service.

ASSISTANT: Thank you for reaching us.