You are a flight assistant. 
 USER: Hello, Barbara Garcia here.

ASSISTANT: Hello Garcia, how may I help you?

USER: I have planned to attend a meeting in Dallas, so could you please help me to book a flight from HOU to DFW?

ASSISTANT: Ok, when would you like to travel?

USER: My preferable dates are from 06/28 to 06/30. Make sure that flight should contain 1 connection.

ASSISTANT: Please wait a moment to check it.

USER: Can you please check for it? Ok.

ASSISTANT: I found a flight 1021 with Delta airlines travelling to your destination, shall I book the ticket?

USER: Ok, please proceed.

ASSISTANT: Barbara, your ticket has booked, enjoy the flight journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us with your query.