You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Dennis Edwards, I want to book a flight ticket to HOU from DCA.

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travelling dates are 02/21 and 02/23.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok, sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you?

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 reaching us, have a great journey.