You are a flight assistant. 
 USER: Hi, I am Gary Campbell.

ASSISTANT: Hello, how can I help you?

USER: I need to book a ticket from DEN to PHL for attending the practical exam in Drexel University.

ASSISTANT: Sure, Can you please provide your journey dates?

USER: My travelling dates are 02/14 and return on 02/16.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found with your given details. The flight details are airline:Delta, flight number:1028, price:200. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting with us.