You are a flight assistant. 
 USER: Hello, I am Kathleen Taylor.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to meet my friend in Washington, can you please help me to book a flight ticket with 200?

ASSISTANT: Sure, please help me with your airport codes please?

USER: My journey points are from BOS to IAD.

ASSISTANT: Ok, when do you want to travel?

USER: I would like to fly from 05/20 to 05/22.

ASSISTANT: Ok, please wait I will get back to you.

USER: And I need a flight with single connection.

ASSISTANT: Thanks for waiting, flight-1003 with Southwest airlines, price-100 with single connection matches your requests.

USER: Ok, you can proceed with my booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us.

USER: Thank you.