You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Nicholas Thomas want to meet my parents at Philadelphia, can you book a ticket from DCA to PHL?

ASSISTANT: I will help you with that, can you please mention your journey dates?

USER: Sure, my travelling dates will be 04/13 and 04/15.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a flight for you with price 200, flight number is 1015 and connection is 1. Is it ok for you?

USER: Ok, proceed with my booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.