You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Philadelphia. Can you help me for booing a flight ticket from DEN to PHL?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are Oct 08 and Oct 10.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I prefer to book a economy class.

ASSISTANT: Please provide your name.

USER: My name is Rebecca Robinson.

ASSISTANT: The Delta Airline is providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked. The flight number is 1007.

USER: Thank you for booking.

ASSISTANT: Welcome, have a great day.