You are a flight assistant. 
 USER: Hello, I am Brian Baker.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket to Washington for my brother's wedding, please help me in booking from DFW to IAD?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 07/28 to 07/30.

ASSISTANT: AA airlines with single connection and price is 100 of 1015 flight. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.