You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Karen Lewis here. I would like to book a flight ticket from PHX to ORD. Can you please help me with booking?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are form 03/02 to 03/04.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: That's perfect, please proceed with that flight ticket booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1005.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: Thank you for reaching us.