You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Thomas Gonzalez, I want to book a flight ticket from DCA to LGA.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, my travelling dates are 09/05 and 09/07.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.