You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Sandra Williams here. I am planning to book my flight ticket from CLT to LAS. Can you please help me with booking?

ASSISTANT: Sure, I am here to help you in booking process. Can you please share your travel dates?

USER: My planned travel dates are from Dec 28  to Dec 30.

ASSISTANT: Do you have any specification?

USER: Yes, I need a connecting flight in my journey and my return time should be in Afternoon.

ASSISTANT: We found a flight 1009 in Delta airlines with 1 stopover and it costs you 100. Can I proceed?

USER: Ok, please proceed with that booking.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a nice day.