Hi.
user
Hello, how may I guide you?
assistant
I am Elizabeth Turner. Please book me a ticket from AZ-PHX to TX-IAH.
user
Can I know your preferable dates?
assistant
My preferable travel dates are from 03/30 to 04/01.
user
I am sorry, there are no flights available. Thank you.
assistant
Ok, no problem. Thank you.
user