You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to visit Washington to meet my father, can you please help me in booking a flight ticket from HOU to IAD?

ASSISTANT: Sure, may I know your name please?

USER: My name is Stephen Scott.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My travelling dates are Mar 18 and Mar 20.

ASSISTANT: Ok, may I know your connection limit please?

USER: My connection limit is 1.

ASSISTANT: Do you have any other specifications please?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your information.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Hawaiian airline, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, I have reserve your ticket with flight number 1020.

USER: Thank you for booking.

ASSISTANT: You are welcome.