Hi. I am Deborah Robinson.
user
Hello, How can I help you?
assistant
 I want to book a flight ticket on 05/18 and return on 05/20, so can you help me with booking please?
user
Sure, Please help me with your travel dates.
assistant
I have mentioned above.
user
Sorry, Please help me with your journey codes.
assistant
My airport codes are Austin, TX-AUS and Washington, DC-DCA.
user
Please wait a minute.
assistant
Ok.
user
Sorry, No flights found with your chosen dates.
assistant
That's ok. Thank you for the response.
user
Thank you for reaching us.
assistant