You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you?

USER: Please book a ticket from Oakland, CA-OAK to Los Angeles, CA-LAX for business trip.

ASSISTANT: Sure. May I know your travel dates?

USER: My travel dates are from 11/25 to 11/27.

ASSISTANT: Do you have any specifications?

USER: Price limit 5000. Connections limit 1.

ASSISTANT: Please provide your name?

USER: My name is Raymond Allen.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: We have found a UA airline of 1010 flight number with one connection of cost 100. Shall I proceed with booking?

USER: Please book a ticket.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.