You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Gonzalez.

ASSISTANT: Ruth, how can I assist you today?

USER: I need to modify my name in my previous reservation, can you change it?

ASSISTANT: Sure, I will do that. Let me check your reservation status.

USER: Sure.

ASSISTANT: Ruth, I have not found any reservation under your name in our database.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: You are welcome and thank you for contacting us.