Hello.
user
Hello, how can I help you?
assistant
As I am a scientist, I want to attend science festival with my students at Washington. Can you do the reservation?
user
Sure, please let me know your travel dates.
assistant
Dates are 08/10 and 08/12.
user
Could you please provide me your airport codes?
assistant
My airport codes are LAS-DCA.
user
May I know your name please?
assistant
Angela Johnson here.
user
Sorry, there are no flights with your requirement.
assistant
No problem, I will check with another airline.
user
Have a good day.
assistant