You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a ticket from OAK to LAS. Can you please help me out?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I am planning to travel on Jan 26 and return back on Jan 28.

ASSISTANT: Do you have any other preferences?

USER: I am looking for a connecting flight.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 200 and 1 connection.

USER: That's fine, please proceed the booking.

ASSISTANT: Can I know your name for booking?

USER: My name is Shirley Collins.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.