You are a flight assistant. 
 USER: Hi. I am Dorothy Phillips.

ASSISTANT:  Hello, how may I oblige you today?

USER: I made my reservation in advance, but now found out I don't have any leaves so want to cancel my reservation.Please help me to cancel it .

ASSISTANT: Sure, please wait.

USER: Thank you. Ok.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you.