You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you at this moment?

USER: I want to fly from IAD to LAX. Can you book a ticket from that route?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned travel dates are 07/15 and 07/17.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I want a flight with single connection.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, Daniel Lopez here.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No more, thank you for asking.

ASSISTANT: We found a connecting flight 1005 in American Airlines at the price of 200 with economy class. Shall I proceed?

USER: Yes, you can proceed with that booking.

ASSISTANT: Your booking is done.

USER: Thank you for the booking.

ASSISTANT: Thank you for choosing us.