You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a flight ticket from OAK to LAS?

ASSISTANT: When your planning dates to travel?

USER: My journey dates are Nov 21 and Nov 23.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Ruth Allen.

ASSISTANT: We found a connecting flight of American Airlines in the economy class with fare 100, can I proceed for booking?

USER: Go ahead.

ASSISTANT: Your ticket has been booked with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.