You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want a direct flight with under name of Rachel Phillips.

ASSISTANT: Sure, May I know your airport codes and travelling dates?

USER: I want to exhibit my arts at Art class. My airport odes are from DCA to LAS. My journey dates are from 01/20 to 01/22.

ASSISTANT: Please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Sorry, we did not found any direct flight.

USER: Ok. Thank you for kind information.

ASSISTANT: Thank you for reaching us.