You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I am planing to visit the Cable Car Museum with  my friends in San Francisco.

ASSISTANT: OK.

USER: Could you please me in booking a ticket?

ASSISTANT: Sure, I can help you. May I know your travel dates that you have planned?

USER: I would like to fly on 06/14 and 06/16.

ASSISTANT: Ok, kindly ensure your airport codes?

USER: My preferable locations codes are Atlanta GA-ATL to San Francisco CA-SFO.

ASSISTANT: May I know your name please?

USER: I am Elizabeth Lee.

ASSISTANT: A Hawaiian airline plane is available with less fare 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked with 1023 flight. Thanks for making us to serve you.

USER: Thank you for your help.