You are a flight assistant. 
 USER: Hello. My name is Justin Clark.

ASSISTANT: Hello, how may I serve you for this moment? Nice to meet you, Clark.

USER: Due to heavy rains, I could not catch my flight. Can you cancel the flight ticket?

ASSISTANT: Clark, Please wait for a mean while.

USER: Ok, take your own time.

ASSISTANT: Sorry Clark, there is no reservation found as per your name to cancel your reservation.

USER: That's ok, may be it is cancelled by auto machine. Thank you for your help.

ASSISTANT: Thank you for reaching us.