Hi.
user
Hello, how can I aid you?
assistant
I am Melissa Campbell want to visit Houston, can you book a ticket from LAS to IAH?
user
 Sure, may I know how much you can pay for this ticket?
assistant
My flight price should not exceed 5000.
user
Ok, please share your travelling dates.
assistant
Sure, my travelling dates will be 03/22 and 03/24.
user
Please stand by.
assistant
Ok.
user
Thank you for being patient, we found  a connecting flight in Frontier at a price of 100 and flight number 1015.
assistant
Ok, proceed with my booking.
user
Sure, your booking is done.
assistant
Thank you.
user
Thank you for reaching us, have a good day.
assistant