You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: Can you help me to book a ticket from ATL to DEN?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travel date are June 15 and June 17 respectively.

ASSISTANT: Do you have any connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: May I know your class preference?

USER: I would like to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Let me know your name to proceed.

USER: Christine Lopez here.

ASSISTANT: Southwest airlines is providing you the connecting flight, which departs at 8 AM and arrives at 1 AM. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with flight 1007.

USER: Thank you for help.

ASSISTANT: Thank you for choosing us.