You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: My name is Melissa Hernandez and I am a dance choreographer and I have to participate in international show, can you book a ticket from PHL to DFW?

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

USER: Thank you so much.

ASSISTANT: May I know your travelling dates please?

USER: My planned trip dates are on 01/19 and 01/21.

ASSISTANT: Ok, please hold on for a while.

USER: Ok, please go ahead.

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

USER: That's perfect, you can book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1004.

USER: Thank you for your great service.

ASSISTANT: Thank you for choosing us.