You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I serve you today?

USER: Myself Sharon Johnson.

ASSISTANT: Ok.

USER: I am planning to visit Chicago, will you help me in booking the flight ticket from Washington?

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your travelling dates?

USER: My preferable journey dates are June 26 and June 28.

ASSISTANT: Ok, please help me with your respective airport codes.

USER: My origin airport code is IAD and destination airport code is ORD.

ASSISTANT: Do you need any stopovers in between journey?

USER: I need a flight with single connection.

ASSISTANT: OK, Is there any other specifications for you?

USER: As, my budget is low I can afford only up to 1000.

ASSISTANT: Thanks for providing details, we found a direct flight in Southwest airline with a fare of 100 and the flight number is 1008. Shall I proceed?

USER: I think this flight is comfortable for me to travel, please reserve a flight ticket for me.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you for your great assistance.

ASSISTANT: Thank you for reaching us. We hope to serve you again.