You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket form Phoenix on 09/19 to meet my friend and will return on 09/21. Please help me with booking.

ASSISTANT: Sure, May I know your name please?

USER: I am Nicole Davis.

ASSISTANT: Mention your airport codes.

USER: I want to fly from AZ-PHX to DC-IAD.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: You have a connecting flight with spirit airline. Your ticket price is 200.

USER: Ok, You can proceed further.

ASSISTANT: I proceeded to book your ticket with flight 1015.

USER: Thanks for the help.

ASSISTANT: Thank you.