You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please check for the flights on the route from DEN to OAK please.

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey dates are from Apr 8th to Apr 10th.

ASSISTANT: May I know your connection limit?

USER: I need 1 connection flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Can I know your name?

USER: Myself Katherine Collins.

ASSISTANT: There is a AA airline with flight number 1002 with fare 200 and class is business. Shall I proceed?

USER: Please book it for me.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.