You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please check if there is a reservation active by the name Jacob Phillips?  If it is active, I need to change it.

ASSISTANT: Sure, I am here to help you out. Please provide me your respected name to check whether any active reservation is found on your name or not.

USER: I have already mentioned above.

ASSISTANT: For confirmation purpose I have asked you the same. Thank you for your response. Please allow me a moment and let me check the reservation status.

USER: Sure, take your own time.

ASSISTANT: Sorry Jacob Phillips, I got the result in our plane by filling your name is that " No reservation found for this user".

USER: Ok fine, thanks for your response.

ASSISTANT: Thank you for reaching us.