You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that you need from my side?

USER: I need to go for a heritage tour in SEA. Can you please book me a ticket from IAH?

ASSISTANT: Sure, I am glad to assist you with booking and can I know on what dates that you would like to book the ticket?

USER: I will start on Oct 29th and return on Oct 31st.

ASSISTANT: Do you need any lay by in your journey?

USER: Yes, I need 1 stop over.

ASSISTANT: Can I know your name please?

USER: I am David Smith.

ASSISTANT: Thank you for your information, there is a flight 1002 with a 1 drop off in United airlines and the fare of the ticket is 200. Is it ok for you to book the ticket?

USER: Fine, please proceed.

ASSISTANT: Your flight ticket booking is confirmed on your travel dates.

USER: Thanks for your support.

ASSISTANT: You are most welcome.