You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: As my meeting got postponed I want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, I will help you in cancelling the ticket. May I know your name please?

USER: My name is Lisa Perez.

ASSISTANT: I have found your reservation, can I proceed with the cancellation?

USER: Yes, please.

ASSISTANT: As per your request ticket has been cancelled.

USER:         Thank you.

ASSISTANT: Thank you for reaching us.