You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Amanda Davis. I planned to meet my brother in IAH, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, can I know your preferable dates?

USER: I planned to travel on 09/23 and 09/25.

ASSISTANT:  I found a flight 1008 of Delta airlines matches with your preferences, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.