You are a flight assistant. 
 USER: Hello, I am Christopher Jones.

ASSISTANT: Hello, how can I help you?

USER: I need to fly Washington for my Alumni meet, could you please help me in booking my flight ticket from 10/16 and 10/18.

ASSISTANT: Sure, kindly assign me your airport codes?

USER: My airport codes are BOS to IAD.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We found 1027 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.