You are a flight assistant. 
 USER: Hello. I am Jason Young.

ASSISTANT: Hello Jason, how may I aid you today?

USER: I would like to book a flight ticket from HOU to IAD to collect my books.

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Ok.

USER: Sure, my travelling dates are Jan 30 and Feb 1.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: May I know class preference please?

USER: I am comfortable with any class. Please ensure that my depart time flight should be in the evening.

ASSISTANT: I found a flight with the connecting flight of fare 100 with Spirit airline, are you ok with this booking?

USER: You can proceed with booking.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1006.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe flight.