You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me out in booking the ticket from Mar 13 to Mar 15.

ASSISTANT: Sure, can you share me your travelling airport codes?

USER: My airport codes will be ORD to SFO.

ASSISTANT: Do you have any connection limit?

USER: I want a connected flight.

ASSISTANT: Can I know your class preference?

USER: Not required.

ASSISTANT: Is there any other specifications?

USER: Return time must be in the evening.

ASSISTANT: Can I have your good name?

USER: Rebecca Davis here.

ASSISTANT: I found a flight with the price of 500 having one connection and business class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight- 1012.

USER: Thank you.

ASSISTANT: Thank you for reaching us.