You are a flight assistant. 
 USER: Hello. My name is Michelle Lewis.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel from DCA to LAX.

ASSISTANT: Can I know your preferable dates?

USER: My preferable dates are from 08/08 to 08/10.

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

USER: Please proceed with the booing.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.