You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can I assist you?

USER: I would like to travel from Phoenix, PHX to Dallas, DFW as a holiday trip.

ASSISTANT: Ok, please share your arrival and depart dates.

USER: Trip dates are 10/23 and 10/25. I need break in my journey.

ASSISTANT: May I know your price limit?

USER: Price should not cross 500.

ASSISTANT: May I know your name, please?

USER: Barbara Young here.

ASSISTANT: We are happy to inform you, there is a flight on Southwest airline, flight number 1018.

USER: Please book that flight immediately.

ASSISTANT: Ok. Your ticket has been reserved.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for opting us.