You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have reserved a ticket in last week to get refresh with my friends in our favourite place but suddenly programme got cancelled. So please help me with cancelling my reservation.

ASSISTANT: Let me know your name?

USER: Sure, I have reserved under my name of Susan Mitchell.

ASSISTANT: Please wait a moment to check the reservation status.

USER: Thank you. I will wait for your response.

ASSISTANT: Sorry, no reservation found by your name.

USER: Oh! It may not be booked properly due to some technical issues while booking. Anyway, thank you for your time.

ASSISTANT: Thanks.