You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am David MIller.

ASSISTANT: Ok.

USER: I would like to spend my free time at Seattle, please help me in booking a ticket from LAX to SEA.

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are 08/14 to 08/16.

ASSISTANT: I found a flight 1004 of AA airlines matches with your preferences, can I proceed?

USER: You can book it.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.