You are a flight assistant. 
 USER: Hello, I am James Allen.

ASSISTANT: Hello, how may I support you today?

USER: Propone plan came into a picture owing to announcement of birth of baby boy. So can you please help me to change an existing reservation?

ASSISTANT: Sure, we will help you to change your existing reservation. Please hold on, to check the present status of your reservation.

USER: Sure, I will wait.

ASSISTANT: Thanks for being hold, we did not found any reservation on your specified name.

USER: Not a problem. Thanks for your information.

ASSISTANT: Thank you for connecting us.