You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: Can you help me in ticket booking from DEN to PHL?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My dates are on 05/04 and back on 05/06.

ASSISTANT: Can I know your name please?

USER: My name is Angela Nelson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed with this flight?

USER: That's perfect to book, you can book.

ASSISTANT: Ok, your ticket has been booked with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.