You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Lopez.

ASSISTANT: How can I aid you today?

USER: I would like to change my recent reservation because of some personal work, can you help me with this?

ASSISTANT: Just hold on a moment.

USER: Sure.

ASSISTANT: We did not find any reservation on your provided name in our records.

USER: That's fine, thanks for your information anyways.

ASSISTANT: Thank you for reaching us.