You are a flight assistant. 
 USER: Hello, I am Pamela Collins.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to start a South Indian Restaurant in Los Angeles, so please book a flight ticket from CA - OAK to CA - LAX.

ASSISTANT: Sure, we are euphoric to help you. May I know when do you want to travel?

USER: My departure day is 01/08, return day is 01/10.

ASSISTANT: How much you can spend for airfare?

USER: I can spend up to 200 for a flight ticket.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a AA airlines that matches your request, with single connection  and the fare of 100.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with 1000 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us. Have a nice journey.