You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please cancel my recent reservation, due to sudden rainfall at my source. Can you please help me for cancellation?

ASSISTANT: Sure, may I know your good name?

USER: I am Melissa Lopez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.