You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to heavy rainfall, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, may I know your name please to check the reservation status?

USER: Sure, my name is Mark Davis.

ASSISTANT: Mark, I have cancelled your reservation successfully.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.