You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Due to heavy rain, I want to change my reservation. Can you help me?

ASSISTANT: Sure, I will help you. To check the reservation list we need your name, can you please share me your name?

USER: Eric Wright here.

ASSISTANT: Eric Wright, there is no reservation on your name.

USER: No issue, Thanks for the valuable information.

ASSISTANT: Thank you.