You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you for today?

USER: Can you please help me to cancel the ticket? Because I have to attend an important meeting, so I am unable to catch the flight.

ASSISTANT: Sure, I will help you about your reservation cancellation.

USER: Thank you for accepting my request.

ASSISTANT: Can you please provide your name to check the reservation status with your name?

USER: Sure, I have reserved the past ticket with the name  Pamela Hill.

ASSISTANT: I regret to say this Hill, there are no active reservation with your name in our booking list to cancel your reservation.

USER: It's ok, not a problem with that one. Thank you so much for your valuable time.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.