You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you aid me in booking a flight ticket from LAX to ORD?

ASSISTANT: Sure, I will take your concern and help you out.

USER: Thank you.

ASSISTANT: May I know your dates of journey which you have planned?

USER: Sure, I would like to go on Feb 12th and return back on Feb 14th.

ASSISTANT: Do you have any connection limit preference?

USER: Ensure it is a single connecting flight.

ASSISTANT: May I know your airline preference?

USER: Make sure it is in the normal-cost airline.

ASSISTANT: Sure, I will check as per your need. Can I know your class preferrences?

USER: Any class is fine for me.

ASSISTANT: Is there any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: There is a fight available with airfare 100 for a single connecting flight limit and the airlines is Delta. Can I book a flight 1020?

USER: Ok, please proceed for further.

ASSISTANT: Ok, please can I know your name to proceed?

USER: Myself Robert Hill.

ASSISTANT: Ok, the flight ticket is booked and the class is economy.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our agency, have a safe journey.

USER: Welcome.