You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Justin Turner.

ASSISTANT: How can I assist you?

USER: I want to book a flight from HOU to SEA, can you please help?

ASSISTANT: Ok, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your preferable dates?

USER: I will board on Apr 11th and return back on Apr 13th.

ASSISTANT: Do you need any preference?

USER: I want a break between my journey.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is direct flight with fare 200 and 1019 as flight number in South west airline. Shall I proceed with booking?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.