You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please cancel my recent reservation? As I heard that, recently so many accidents are happening in the airlines which I have booked the ticket.

ASSISTANT: Sure, we are here to help you.

USER: Thanks for that.

ASSISTANT: May I know your name please?

USER: Well, my name is Frank Lewis.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: Oh! May be something went wrong while I was booking the ticket, that's good anyways. Thank you.

ASSISTANT: Thank you for contacting us.