You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book my ticket from OAK to DFW?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are Apr 12 and Apr 14 respectively.

ASSISTANT: Do you have any specifications?

USER: I prefer for single connection limit.

ASSISTANT: May I know your name?

USER: Jack Robinson here.

ASSISTANT: There is a direct flight with number 1029 in airline Hawaiian, the fare is 200 in economy class. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.