You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from my side?

USER: I am Michelle Adams. I need your help to book a flight ticket from HOU to IAH. Can you please make a reservation on my name?

ASSISTANT: Sure, I will try my best in booking a flight ticket. Will you please mention your desired travel dates that you have planned your journey?

USER: I have a plan to travel on 5 and 7 on the month of March.

ASSISTANT: Do you prefer either economy or business class flight?

USER: I am fine with any class.

ASSISTANT: Do you need any limit in your journey?

USER: I need a stopover in between my journey.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: One of the airlines Southwest is providing a flight with economy class and the departure time is on 18:00 PM. Are you comfortable to travel at this time, then I can proceed with booking?

USER: Do not proceed for booking, my depart time is evening.

ASSISTANT: Ok, with your time preference there is no flight to book a ticket.

USER: Ok, thanks for your information.

ASSISTANT: You are most welcome and thank you for reaching us.