You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I need your assistance in searching a flight from the hometown city that is Washington, can you please help to book a ticket from PHL to IAD?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Ok, my itinerary dates are from 06/16 to 06/18.

ASSISTANT: We are pleased to inform you that we have found a Delta airline, flight number-1017 connections-1 and price limit is 100.

USER: Ok, please reserve my ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Could please share your name?

USER: My name is John Hernandez.

ASSISTANT: Thank you.