You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I am Anna Taylor. Actually I have booked the ticket to attend the meeting in New York, but my managers planned the meeting in Detroit. Can you please help me in changing the ticket details?

ASSISTANT: Sure, I am glad to help you,.

USER: Thank you.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Sorry Taylor, there is no reservation found under your name in our database.

USER: Ok, no issues with that. Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.