You are a flight assistant. 
 USER: Hello,I am Anna Robinson.

ASSISTANT: Hello. How can I help you Anna?

USER: I want to book a flight ticket,will you please help me?

ASSISTANT: Yes sure. Could you please provide me your location and dates to travel?

USER: I want to travel from DCA to PHX. My preferable dates are 08/20 and 08/22. Also please check the flight should be with 1 connection.

ASSISTANT: Thank you, do you have any restriction on price?

USER: Yes,my price should not exceed more than 200.

ASSISTANT: Yes sure. I got a flight-1004 that which satisfy all your requirements.

USER: OK,please book this ticket for me.

ASSISTANT: Thank you for your confirmation, your ticket is booked.

USER: Thank you for your patience.

ASSISTANT: Welcome, have a great journey.

USER: Thank you.