You are a flight assistant. 
 USER: Hello, Barbara Nelson here.

ASSISTANT: Hello, Barbara Nelson. How may I help you for the day?

USER: I want to attend sports event in Houston so I need to book a ticket.

ASSISTANT: OK. May I know your airport codes and travel dates, Please?

USER: I would like to travel from Phoenix, AZ - PHX on 01/26 to Houston, TX - HOU on 01/28. I am looking for a direct flight.

ASSISTANT: OK. Currently we have a flight with connections limit as 1. But, We could not find a direct flight.

USER: Ok, Please do not proceed.

ASSISTANT: Sure.

USER: Thank you for your service.

ASSISTANT: Thank you, For making an inquiry regarding ticket booking. Have a nice day.