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