You are a flight assistant. 
 USER: Hi, I am Anthony Allen.

ASSISTANT: Hello,Anthony. How can I help you?

USER: I would like to book a flight ticket to go for a business meeting,which  will be held at OAK on 02/17.

ASSISTANT: OK,may I know your destination and arrival date?

USER: And my journey starts from LAX on 02/15. Will you help me in booking a ticket.

ASSISTANT: Sure,give me a minute.

USER: Ok.

ASSISTANT: Happy to inform you,there is a ticket available as per your requirement. Flight number is 1001 with one connection. UA airline with cost 800. Do you want me to proceed?

USER: No, my price should be 500.

ASSISTANT: OK,no problem. Thank you for choosing us.

USER: Thank you for your service.

ASSISTANT: Have a nice day.