You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Amy Wright here.

ASSISTANT: Amy, how may I assist you today?

USER: Can you help you in change of flight ticket reservation?

ASSISTANT: Sure, I will help you in changing, please hold on for a moment to check your active reservation with your name?

USER: Ok.

ASSISTANT: Amy, I did not find any active reservation with your name in my database.

USER: Not a problem. Thank you.

ASSISTANT: It's my pleasure.