You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to heavy rains in Dallas, cricket match has been cancelled. I would like to cancel my recent reservation.

ASSISTANT: I will help you with that, may I know your name please?

USER: My name is Jacob Taylor.

ASSISTANT: Please wait for a moment, let me check your details.

USER: Sure.

ASSISTANT: Sorry Jacob, there is no reservation found basis on your details.

USER: Ok, may be something went wrong while booking.

ASSISTANT: Thank you for reaching us.

USER: Thank you.