You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Will you book a flight ticket on the name Kevin Lee?

ASSISTANT: Sure, we are here to book flight tickets only. Where do you want me to book your ticket?

USER: My airport codes are from DCA to IAD.

ASSISTANT: Ok, travel dates please?

USER: My travelling dates are from 05/24 to 05/26.

ASSISTANT: An AA airline is available on your route with one halt in between. Can I proceed to this airline with fare 100?

USER: Ok, proceed.

ASSISTANT: Ok, your booking with 1005 flight is successful.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.