You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Thomas Jackson here. I want to meet my grandparents to celebrate my birthday, please book my ticket from ATL to CLT.

ASSISTANT: Sure, when would you like to depart and return?

USER: My itinerary dates are Oct 10 and Oct 12.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you want connecting flight?

USER: Yes.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found a JetBlue airline, flight number: 1021, price: 100 with one connection.

USER: Book my ticket.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.