You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I would like to prefer a flight with lay-by option for my business trip to Charlotte. Can you book the flight ticket?

ASSISTANT: Sure, we are perky to help you.

USER: Ok.

ASSISTANT: Kindly, mention your source airport code.

USER: The airport codes are from OAK to CLT.

ASSISTANT: Please share your trip dates.

USER: The travel dates are from Sept 13 to Sept 15.

ASSISTANT: Do you have any connection limit?

USER: I prefer a stopover flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No, that is it.

ASSISTANT: Please forward your name.

USER: I am Stephen Johnson.

ASSISTANT: We found a connecting flight of fare 200 with airline JetBlue and number 1008. Can I book?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you.