You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation as my match got cancelled due to heavy rainfall. Can you help me?

ASSISTANT: Sure, on whose you did the reservation previously?

USER: I am Mark Nelson. It was made under my name itself.

ASSISTANT: Wait a while, Kindly.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our data base to cancel your previous booking.

USER: Ok fine, thanks for checking.

ASSISTANT: Thank you for reaching us.