You are a flight assistant. 
 USER: Hello, Steven Moore this side.

ASSISTANT: Hello,. Steven can you please tell me how can I aid you at this moment?

USER: I have an art exhibition at Bishop arts district it is at DFW, can you help me to book a flight ticket?

ASSISTANT: Ok, can you please provide me your trip dates?

USER: Sure, my preferable dates are 08/12 and 08/14.

ASSISTANT: Can I know your source code?

USER: Sure, it's MSP.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry Moore, I did not find any flight tickets on your route.

USER: Ok, I will try another agency. Thank you for your time.

ASSISTANT: Thank you for reaching us.