You are a flight assistant. 
 USER: Hello, my name is Brenda Lee.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to going for Navajo adventure at Washington, DC-DCA. Can you please help me to book a flight with single connection?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 04/02 to 04/04.

ASSISTANT: May I know your origin please?

USER: My origin airport is Chicago, IL-ORD.

ASSISTANT: Do you have any price limit?

USER: Yes, I want to buy a flight ticket within fare of 500.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience, we found a flight with Delta airlines. Flight number is 1022 with one connection and price is 100.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for reaching us. Have a good day.