You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I serve you?

USER: Prepone plan came into picture owing to an announcement of birth of a baby boy. Can you help me in cancellation?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: I am Ryan Miller.

ASSISTANT: Unfortunately, There is no reservation exist with your name.

USER: Ok, no issues.

ASSISTANT: Thanks for picking us.

USER: Thank you for quick service.