You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Garcia.

ASSISTANT: How can I aid you today?

USER: I am planning to book a ticket to meet my family at PHL. Can you please help me out to book a ticket from IAD?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travelling dates?

USER: I  am planning to travel  on 12/25 and return back on 12/27.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: I have found a flight with the AA airlines having a connection limit 1 with the ticket fare is 100. Shall I proceed with the booking?

USER: That's fine, please proceed the booking.

ASSISTANT: I have reserved your ticket with the flight number 1015.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a great journey.