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

ASSISTANT: Hello, how may I help you now?

USER: Due to technical issues, I want to change my reservation. Can you help me with it.

ASSISTANT: Sure, I would be happy to help you. Please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found on your name.

USER: No issues. Thank you.

ASSISTANT: Thanks for reaching us.