You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I'm planning to visit Las Vegas, can you book a ticket from OAK to LAS?

ASSISTANT: Sure, could you please provide your trip dates?

USER: Sure, my planned departure and return travel dates are 5th and 7th of May.

ASSISTANT: May I know your good name?

USER: My name is Thomas Scott.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I prefer single connected flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: We found a JetBlue airline, price is 100 in economy class with one stopover. Shall I proceed?

USER: That's fine, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with 1003 flight number.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.