You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Yes, I am here to help you. May I know on which dates you are willing to travel?

USER: My trip dates are 02/17 and 02/19.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a single connecting flight.

ASSISTANT: Please let us know if you have any other specifications.

USER: Nothing more.

ASSISTANT: Ok, may I know your name for further process?

USER: I am Patricia Lopez.

ASSISTANT: Please wait a minute I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting with flight number 1002 at a price of 200 in economy class provided by Southwest airlines. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us, have a nice day.