You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you please book a flight ticket from HOU to ORD?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Thank you. I have planned my travel dates as July 23 and July 25.

ASSISTANT: Do you have any preferences?

USER: I would prefer economy class to travel.

ASSISTANT: May I know your name please?

USER: Sure, myself Scott Davis.

ASSISTANT: There is a connecting flight available with AA airline, shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your booking is done with flight number 1021. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.