You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dorothy Lopez here.

ASSISTANT: What can I do for you?

USER: I want to cancel my recent reservation, due to heavy rains.

ASSISTANT: Ok Lopez, wait for a minute. Yes Lopez, I found a reservation on your name. Successfully I cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.