You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Justin Turner. I need to travel to Houston, can you please book flight ticket from IAH and IAH?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are 06/13 and 06/15, I am preferring for business class ticket.

ASSISTANT: I found a flight 1028 of Delta airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping in ticket booking.

ASSISTANT: Thank you, have a good day.