You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Samuel Lewis, I am willing to book a flight ticket from IAD to LAX in the month of June.

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: Thank you. Sure, my travelling dates are 06/23 and 06/25.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.