You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I need to book a flight ticket from OAK to ORD, can you please help me for booking?

ASSISTANT: Sure, let me know your trip dates?

USER: I would like to travel on 07/15 to return on 07/17.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Sarah Parker here.

ASSISTANT: We found a connecting flight 1013 in Delta airline with fare 100 and class is economy. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.