You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist 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, can you please share your travel dates?

USER: My journey dates are 05/17 and 05/19.

ASSISTANT: Could you please help me with the airport codes?

USER: My airport codes are DFW-IAD.

ASSISTANT: May I know your connection limit?

USER: I need break in my journey.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Robert Jackson here.

ASSISTANT: There is a flight available with price 500 and the connection is 1 with United Airline. Would you like me to proceed with the booking?

USER: Go ahead.

ASSISTANT: Your booking is confirmed with 1024 flight number and the depart time is 12:00 hours, return time is 12:00 hours.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.