You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to change my reservation?

ASSISTANT: Sure, we are glad to help you. Can I have your good name?

USER: I am Ashley Garcia.

ASSISTANT: Sorry, there is no active reservation on your name in our records.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for choosing us.