You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Lisa Scott. Can you help me to book a flight IAH to IAH a round trip?

ASSISTANT: Sure, please share your travel dates.

USER: Ok, my travel dates are 11/15 and 11/17.

ASSISTANT: I found a flight 1002 of Spirit airlines matches with your preferences, can I proceed?

USER: Ok, please book.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you or reaching us.