You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Miller.

ASSISTANT: How can I assist you at this moment?

USER: I would like to attend a seminar at Oakland, can you help me to book a flight ticket from Houston?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: M preferable journey dates are Nov 21 and Nov 23.

ASSISTANT: Do you have any connection limit for this trip?

USER: Yes, I need a connecting flight ticket for this trip.

ASSISTANT: Do you have any class preference for this trip?

USER: No.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: Please ensure the book a departing flight ticket in the evening time.

ASSISTANT: Do you have any airline preference for this trip?

USER: No.

ASSISTANT: Spirit airlines is providing connecting flight on this route with a ticket fare of 100, shall I book your ticket?

USER: Please go ahead.

ASSISTANT: Michelle Miller, your ticket is booked in flight number 1014 and flight departs at 2:00AM and arrives at 4:00AM.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe journey.