You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I would like to fly to OAK for business trip, can you please reserve flight ticket from DFW?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: Sure, my planned travelling dates are Dec, 22 and 24 respectively.

ASSISTANT: Do you need any break?

USER: Yes, flight has to be with single connection.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Stephen Miller here.

ASSISTANT: We found a connecting flight with an Frontier airlines, flight number:1014.

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.