You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Joseph Lee is my name. I want to attend for an interview in IAD. Can you please make a reservation on my name?

ASSISTANT: Ok, can I know your preferable dates?

USER: Sure, I have a plan to travel on 26 and 28 on the month of June.

ASSISTANT: Sure, can I know your source airport code?

USER: Sure, I am boarding from LGA.

ASSISTANT: I found an economy class ticket in AA airlines with normal cost of 100 and it is a single connecting flight. Can I book your ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for your kind response.

ASSISTANT: Thank you.