You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Prepone plan came into a picture owing to an announcement of birth of baby boy. So can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Andrew Perez.

ASSISTANT: There is no reservation on your name.

USER: That's ok. Thanks for your information.

ASSISTANT: Thanks for choosing us.