You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Dennis Turner. I would like to book a flight ticket from NY-LGA to CA-OAK, can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 06/15 and 06/17.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a flight on southwest airline, flight number as 1000 with the fare of 100.

USER: You can reserve it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.