You are a flight assistant. 
 USER: Hi. I am Justin Brown.

ASSISTANT: Hello, how may I aid you?

USER: I have a plan to visit white house at Washington, please book a connecting flight ticket.

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to fly on 07/26 and return on 07/28.

ASSISTANT: Ok, From where do you want to start your journey?

USER: My source code would be DTW.

ASSISTANT: Ok, Kindly mention your destination airport code.

USER: My destination code is IAD.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your time, we found a connecting flight in 1013 Hawaiian plane with a fare of 100.

USER: Please go with booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.