You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Jerry Garcia. I would like to book a flight ticket from IAH to LAX.

ASSISTANT: Sure, can i know your preferable dates?

USER: I am planning to start on 10/14 and return back on 10/16.

ASSISTANT: I found a flight 1000 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your great service. I am so happy.

ASSISTANT: Thank you, have a good day.