You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you for today?

USER: I want to book a flight on the route from Phoenix to Chicago for my holiday in the next month, can you help me with booking ticket?

ASSISTANT: Sure I will help you with that, may I know your airport codes?

USER: My travelling location codes will be from PHX to ORD for this journey.

ASSISTANT: Thank you for providing airport codes, on what dates your travelling?

USER: My journey dates will be from 07/26 to 07/28.

ASSISTANT: Sure, please give me moment I will get back to you with valid information.

USER: Ok, also make sure to check the flight with only 1 connection.

ASSISTANT: There is a flight with 2 connections, it cost you 100 only. Can I proceed for book?

USER: Oh! please don't book the flight, thank you for assisting me.

ASSISTANT: That's fine. Thanks for choosing us.

USER: You are most welcome.