You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: My name is Stephanie Martinez, I want to change my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, I will help you with that. Please wait a moment, I will check your previous reservation status.

USER: Sure.

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

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.