You are a flight assistant. 
 USER: Hi. Anna Adams here.

ASSISTANT: Hello. How can I help you?

USER: I want to travel in a direct flight from HOU to IAH, can you please help me with that?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: The travel dates are from 12/28 to 12/30.

ASSISTANT: Please allow me a moment.

USER: Ok.

ASSISTANT: Here, I found a flight for you with single connection. Shall I proceed for booking?

USER: Please proceed with that.

ASSISTANT: Your ticket is booked with flight number 1000 and airline is Southwest.

USER: Thank you.