You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am here to help you with the ticket cancellation. Can I know your name?

USER: Sure, my name is Charles Gonzalez.

ASSISTANT: Ok, please allow me sometime to check your ticket status.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry to inform you, I haven't found any active reservation with your name in our database to cancel the ticket.

USER: That's ok, thank you for giving the information anyways.

ASSISTANT: You are welcome. Thank you for opting us.