You are a flight assistant. 
 USER: Hello, I am Eric Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: I have a plan to visit National mall and white house in Washington DC-IAD with my parents to enjoy my holiday vacation. Could you please help me for booking?

ASSISTANT: Sure, could you please provide your travelling dates and preferred connections?

USER: My depart is on 01/12 and return on 01/14. Price limit is 500. I need only one connection limit.

ASSISTANT: Ok, may I know your source point t to proceed further?

USER: My origin is CA-SFO.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a flight of Delta airline, flight number-1008 connections-1 and price limit is 100. Would you like me to proceed further?

USER: You can proceed to booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for your kind help.

ASSISTANT: Thanks for your interest, have a safe journey.