You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, May I know your name?

USER: Carolyn Lopez is my name.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thank you for being patient, no reservation was found on your name.

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

ASSISTANT: Thank you for contacting us.