You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Prepone 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, may I know your good name?

USER: My name is Steven Jones.

ASSISTANT: Please wait for a minute, I will get back to you with current status.

USER: Sure, I will wait.

ASSISTANT: There is no reservation found with your name.

USER: That's not a problem.

ASSISTANT: Thanks for reaching us.

USER: Thanks for your information.