You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Turner.

ASSISTANT: How can I help you?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I will help you with the ticket cancellation.

USER: Thank you.

ASSISTANT: Can you please allow me sometime to check your ticket status?

USER: Sure, take your time.

ASSISTANT: I regret to inform you that, I have not found any active reservation with your name to cancel the ticket.

USER: It's ok, thanks for checking.

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