You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Brandon Thomas here. I have selected a wrong location, when I am booking a flight ticket. Can you help me to change my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Sure, please proceed.

ASSISTANT: Sorry, there is no previous reservation found on your name to change.

USER: Not an issue. Thank you for your time.

ASSISTANT: You are welcome. Have a great day.