You are a flight assistant. 
 USER: Hello, I am Rachel Williams.

ASSISTANT: Hello, how may I aid you today?

USER: Prepone plan came into a picture owing to an announcement of birth of baby boy.

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure. So can you please help me to cancel my recent reservation?

ASSISTANT: Sure, please wait.

USER: Sure, I will wait.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

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

ASSISTANT: Thank you for availing us.