You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need you to change my recent booking, please help me.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: My name is Jerry Miller.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no active reservation  found on your name.

USER: That's ok. Thank you.

ASSISTANT: Thank you for availing us.