You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: As a businessman I need to attend a business meeting at Chicago, will you help me in booking the flight ticket from PHL to ORD?

ASSISTANT: Welcome to flight booking agency, can you please share your travelling dates with me?

USER: Ok, my travelling dates are from 10/31 to 11/02.

ASSISTANT: Meanwhile, can you please tell me your good name?

USER: My name is Laura Young.

ASSISTANT: Flight-1005 is available for you with 1 connection at the price of 900, can I book it for you?

USER: No, my ticket budget is 200.

ASSISTANT: Sorry to tell you, there is no flight available at your budget.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for connecting with our airlines.