You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: Could you please change the reservation on the name of Brandon Edwards?

ASSISTANT: Ok, I will help you with that.

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

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

USER: Ok, not a problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.