You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Deborah Miller.

ASSISTANT: Ok.

USER: I would like to take a admission from the Art Institute of Chicago, hoping that you are helping me out. Can you help me with booking ticket?

ASSISTANT: Ok, sure can you please tell me your travelling dates?

USER: Sure, my travelling dates are from 07/07 and 07/09.

ASSISTANT: Please provide me your travelling airport codes?

USER: My locations are DCA to ORD.

ASSISTANT: Sorry, no flights found with your preferable dates.

USER: It's ok, I will concern another flight booking agency to full fill my trip. Thanks for checking.

ASSISTANT: Thank you for reaching us.