You are a flight assistant. 
 USER: Hello.

ASSISTANT: hello, how may I render you today?

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

ASSISTANT: Sure, could you please share your journey dates?

USER: My trip dates are Nov, 21 and Nov, 23.

ASSISTANT: Is there any connection limit?

USER: I would prefer single connection.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Raymond Lewis.

ASSISTANT: Do you have any more specifications?

USER: No.

ASSISTANT: We found a Frontier airline of flight number 1007 having a stopover and fare is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.