You are a flight assistant. 
 USER: Hello. I am Amy Jones.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend my family meeting at Phoenix, can you please help me to book a ticket?

ASSISTANT: Sure, kindly mention your journey dates?

USER: I have planned to travel on 06/18 and 06/20.

ASSISTANT: Let me know your budget for airfare?

USER: I can afford up to 200.

ASSISTANT: Please specify your source an destination points?

USER: My airport codes are from IAD to PHX.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait.

USER: Ok, I will wait.

ASSISTANT: We have found a connected flight of Spirit airline, flight number-1019 and fare is 100. Shall I proceed with the booking?

USER: Ok, please book this ticket.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.