You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due to bad weather, I want to change my recent reservation. Can you help me?

ASSISTANT: Sure, I will help you. May I know your good name please?

USER: Carolyn Garcia here.

ASSISTANT: Thank you Carolyn Garcia,  there is no reservation on your name.

USER: No issue, Thank you.

ASSISTANT: Thanks for choosing us.