You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Hernandez.

ASSISTANT: How can I help you out today?

USER: I would like to visit Denver. Will you help me in ticket booking from OAK to DEN?

ASSISTANT: May I know your travelling dates please?

USER: My journey dates are from 03/23 to 03/25.

ASSISTANT: Please wait for a moment let me check out.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting, here is flight available with 1 connection and ticket fare is 100. Shall I proceed with this flight?

USER: Yes, please proceed with my ticket booking process.

ASSISTANT: Your ticket has been confirmed with flight 1001 and airline is JetBlue.

USER: Thank you, for helping me.

ASSISTANT: Your welcome, thank you for reaching us.