You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Stephanie Carter. I want to book a ticket from PHL to LAS. Could you help me in booking?

ASSISTANT: Sure, Do you prefer any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My preferable dates are from 09/09 to 09/11.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found AA airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: yes, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1005.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.