You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best serve you?

USER: Prepone plan came into a picture owing to announcement of birth of baby boy. So I need your help to cancel my reservation.

ASSISTANT: Sure, let me know your name to cancel your reservation.

USER: My name is Jessica Davis.

ASSISTANT: Thanks for providing your name. Sorry to say that no reservation found with your name.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thanks for choosing us.