You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from LAS to OAK. Could you help me in booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My preferable dates are from 02/27 to 02/29.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: May I know your name?

USER: Melissa Brown here.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found Delta airline with connetcing flight and number 1001 fare of 200. Shall I confirm it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thanks for approaching us.