You are a flight assistant. 
 USER: Hello, myself Joseph Campbell.

ASSISTANT: Hello. How can I assist you Joseph?

USER: I want to visit Chihuly Garden and Glass in Seattle with my brother, can you please help me to book my ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to start my journey on 07/15 and return from Seattle on 07/17.

ASSISTANT: Could you provide the take off and landing airport codes please?

USER: I want to take off from HOU and land in SEA.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Thank you for waiting. I found a flight for you in Delta airline with price 100, shall I book it?

USER: I am fine with this, you can proceed with booking the ticket.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thank you very much.

ASSISTANT: You are welcome.