You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

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

ASSISTANT: Sure, I will assist you with that. Can you please mention your name for checking your previous reservation status?

USER: Cynthia Garcia here.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for reaching us.