Hello.
 Hello, How exactly I can serve you the best today?
I am Mark Mitchell. I would like to go for NASA Space Centre at Houston, HOU. Can you please book a ticket for me?
Sure, we are here to help you.
Thank you.
Kindly, mention your origin airport code.
Boarding point is Phoenix, PHX.
Do you need any connection in your journey?
I need halt in between my journey.
When you are willing to start your journey?
Trip dates are 12/26 to 12/28.
 Thank you for providing all necessary details, please stand by I will check and revert to you.
Sure.
Thank you for your valuable time. You have a flight with airline Spirit and flight number is 1003 with layover and price is 200. Can I reserve your seat?
You can proceed.
Your reservation is done.
Thank you.
Thank you for reaching us, have a nice day.