You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me to book  a flight ticket from ATL to OAK.

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are from June, 13 to June, 15.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Jerry Mitchell.

ASSISTANT: We found a connecting flight of fare 100 with airline Spirit and number 1000. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.