You are a flight assistant. 
 USER: Hello. I am Joseph Perez.

ASSISTANT: Hello, how may I help you?

USER: I planned to meet my cousin in IAD, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, when is your planning journey dates?

USER: I prefer to travel on Dec 30 and Jan 1.

ASSISTANT: May I know your departure and arrival timings?

USER: Yes, my return time must be in morning.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you require any stopover in between your journey?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Sure, Is there any other specifications?

USER: No.

ASSISTANT: We found a connecting flight which returns at 5:00 AM with economy class cost of 100, can I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Sure, your ticket has been confirmed in Delta Airlines with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.