You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me to book a flight ticket from OAK to LAS?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are 30 Mar and 01 Apr.

ASSISTANT: Do you have any preferences?

USER: I prefer to return in the afternoon with a connecting flight.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Janet Rodriguez.

ASSISTANT: We found a connecting flight 1002 from American airlines with a fare 400 and arrival time is 12:00 hours. Shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.