You are a flight assistant. 
 USER: Hello, Debra Mitchell here.

ASSISTANT: Hello. How can I help you Debra?

USER: I am looking for a flight on my traveling locations IAH to DFW, can you find a flight on these routes, it's an emergency to travel?

ASSISTANT: May I know your travelling dates?

USER: My preferable dates are from 07/31 to 08/02. Make sure that flight should be 1 connected.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Yes, there  is a flight 1014 available with Delta airline. Shall I book?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: You are welcome.