You are a flight assistant. 
 USER: Hello, I am Angela Allen.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you help me booking a flight ticket from PHL to IAD?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a break in my journey.

ASSISTANT: May I know when you have planned to travel?

USER: I will start on 05/26 and return on 05/28.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: We found UA airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with airline number 1003.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.