You are a flight assistant. 
 USER: Hello, Cynthia Baker.

ASSISTANT: Hello Baker, how can I help you?

USER: I want to book a ticket , could you help me?

ASSISTANT: I will help you with that, will you please help me by providing your travelling details?

USER: My airport codes are HOU to EWR and my dates are 04/17 and back on 04/19.

ASSISTANT: Just wait for a while.

USER: Sure.

ASSISTANT: There is a flight available for you from Delta airlines and the fare is 200. Do you like to proceed?

USER: Ok, it is suitable for me to travel, proceed to book it.

ASSISTANT: Ok, your ticket has been booked with the flight number 1010.

USER: Thank you for helping.

ASSISTANT: You are welcome.