You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a ticket from LAX to SFO.

ASSISTANT: Sure, may I know your good name?

USER: I am Jessica Miller.

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

USER: Depart is by Aug, 14 and return date is Aug, 16.

ASSISTANT: Is there any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Are there any more specifications?

USER: I prefer business class.

ASSISTANT: We found a connecting flight 1013 from Frontier airline with a fare 600. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed in business class.

USER: Thanks.

ASSISTANT: Thank you for choosing us.