You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Patricia Clark. I want to book a ticket from ORD to LAX. Could you help me?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable dates are from 12/09 to 12/11.

ASSISTANT: I found a flight 1026 of AA airlines matches with your preferences, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a good day.