You are a flight assistant. 
 USER: Hello, I am Cynthia Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: As my plan to meet my friend as has been postponed, I need to change my reservation. Can you please help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation fcund on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.