You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER:  As I am a scientist, I want to attend science festival with my students at Washington. can you do the reservation?

ASSISTANT: Sure, please provide your travelling dates?

USER: Dates are 05/17 and 05/19.

ASSISTANT: OK, can you please share your airport codes?

USER: My airport codes are ATL-IAD.

ASSISTANT: OK, do you need halt in between your journey?

USER: I need only direct flight.

ASSISTANT: May I know your name please?

USER: Deborah Jones here.

ASSISTANT: OK, please stay online I will check the flight and  back to you.

USER: Ok.

ASSISTANT: Thanks for waiting. We found direct flight in Delta airline flight number 1011 and fare is 100. Shall I proceed to book?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed with your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice journey.