You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from ATL to PHX, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your journey dates please?

USER: Sure, my journey dates are Aug 6 and Aug 8.

ASSISTANT: Ok, please specify your name.

USER: Sure, Brian Walker here.

ASSISTANT: In which class, you wish to travel?

USER: I am comfortable with any class.

ASSISTANT: Is there any other concerns?

USER: I prefer maximum one connection. I want to fly in a standard airlines.

ASSISTANT: We found a connecting flight with a fare of 900 in 1017 Spirit Airlines, shall I proceed?

USER: I would like to travel in a normal-cost airlines. Do not proceed.

ASSISTANT: Sorry to say that, no flights are found based on your information.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.