You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I help you?

USER:  I am Samuel Jones. I would like to book a flight ticket.

ASSISTANT: OK, I will help you with booking a reservation. Please do ensure your travelling details?

USER: Sure, I would like to travel from Phoenix, AZ-PHX to San Francisco, CA-SFO.

ASSISTANT: May I know your journey dates, please?

USER: Sure, My travelling dates are departure on Aug 15 and return on Aug 17.

ASSISTANT: Do you have any other preferences?

USER: Yes, Please ensure that their should not be more than one connection throughout the journey and the price should not exceed 500.

ASSISTANT: I am glad to say, we found a ticket on southwest airline, with all your requirements.

USER: Excellent, You can proceed with booking.

ASSISTANT: Thank you, your ticket has been booked, details as follows flight number : 1010 with 1 connection and price limit is 500. Have a safe journey.

USER: Thank you, You have been very helpful.