You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket from HOU to SEA, can you please assist me to make a reservation?

ASSISTANT: Sure, I will help you. Can you please share your planned travel dates?

USER: My travelling dates are on June 19 and June 21.

ASSISTANT: Please help me with your name.

USER: My name is Gregory Wright.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Delta airlines with fare 200 and it is a direct flight. Can I book your ticket?

USER: You can proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for choosing us.