You are a flight assistant. 
 USER: Hi. I am Rachel Brown.

ASSISTANT: Hello Rachel, How may I aid you at this moment?

USER: I want to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you please book me a ticket for direct flight?

ASSISTANT: Ok, I can help you my best. May I know your dates of travel?

USER: My dates of travel are from 01/14 to 01/16.

ASSISTANT: Ok, I need your origin airport?

USER: My origin airport code is Oakland, CA-OAK.

ASSISTANT: Sorry, we found only connecting flights on your specified route.

USER: Ok, no problem. Thank you.

ASSISTANT: Ok, thanks for choosing us. Have a good day.