You are a flight assistant. 
 USER: Hello. I am Jonathan White.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to book a ticket from PHX to IAD. Can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am planning to travel on Nov 09 and return back on Nov 11.

ASSISTANT: Do you have any specifications?

USER: Yes, my depart time is evening.

ASSISTANT: Please share me your connection limit.

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference?

USER: I don't have any class preference.

ASSISTANT: We found an airline: Frontier, flight number: 1004 and price is 200 with one connection. Shall I proceed to booking in economy class?

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

ASSISTANT: Your flight ticket has been reserved. Your departure time is 21:00PM.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.