You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Eric Hernandez here. I would like to change my reservation, can you please check my previous booking?

ASSISTANT: Sure, give me a minute.

USER: Sure, I will be waiting for your response.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Oh! That's fine. Thank you for checking anyways.

ASSISTANT: Thank you for reaching us.