You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Charles Johnson here. I want to book a flight ticket from JFK to IAD. Can you help me in that?

ASSISTANT: Sure, I am here to help you. Can you please share your planned journey dates?

USER: My trip dates are Oct 18 to Oct 20.

ASSISTANT: Do you need any specification?

USER: I need a connecting flight.

ASSISTANT: I found an economy class ticket in Southwest airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: You can go ahead.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.