You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Scott Walker. Due to an important meeting I have to travel Washington, so can you please help me in flight ticket booking from IAD because it a round trip.

ASSISTANT: When are you planning to make your journey?

USER: I have planned to move on 01/26 and arrival back on 01/28.

ASSISTANT: We are pleased to inform you that we have found a Spirit airline, flight number-1005 connections-1 and price limit is 100.

USER: That is perfectly matching to my criteria, you can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help in my flight ticket booking.

ASSISTANT: Your welcome.

USER: Welcome.