You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy.So I need to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, can I have your name please?

USER: I am Donna Martin.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Would you like me to cancel?

USER: Please cancel it.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thanks for your quick response.

ASSISTANT: Thank you for reaching us.