You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to meet my childhood friend in Houston, HOU. Can you please aid me for booking from IAD?

ASSISTANT: Sure, please provide your scheduled dates.

USER: My scheduled dates are on March 27 and 29.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need a connected flight.

ASSISTANT: Ok, please provide your depart and return timings.

USER: I don't have any preferences on timings.

ASSISTANT: Ok, May I know your name?

USER: Sure, Charles Moore is my name.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1000 Southwest Airlines with a fare of 100. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.