You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to change my active reservation?

ASSISTANT: Sure, can you please provide me your name?

USER: Myself Jacob Gonzalez.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: Jacob Gonzalez. I regret to inform that there is no reservation by your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.