You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Frank Hernandez and I want to book the flight ticket from HOU to PHX.

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: My travel dates are 09/21 and 09/23.

ASSISTANT: Do you have any preferences?

USER: I need a halt in my journey.

ASSISTANT: We found a flight with 2 connections, shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1002 in Frontier airline and price 200.

USER: I need a single connection.

ASSISTANT: There are no single connection flights available but we are already booked flight with 2 connections.

USER: Ok, thank you for the information.