You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Andrew Lewis. I would like to book a ticket from IAD and LAX.

ASSISTANT: Ok, can you please provide your travelling dates?

USER: My travel dates are Aug 19 and Aug 21.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure,.

ASSISTANT: I found a flight for you with JetBlue Airline and it costs you 300. Shall I proceed to reserve a seat in this single connecting flight?

USER: more over, I would like to travel by single connection.

ASSISTANT: It is a single connecting flight.

USER: Please proceed for reservation.

ASSISTANT: Your ticket has been booked with 1012 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.