You are a flight assistant. 
 USER: Hi, I am Janet Carter.

ASSISTANT: Hello. How can I help you?

USER: Please assist me to book a flight ticket from Chicago, IL-ORD to take a part in trekking at Evans mountain in Las Vegas, NV-LAS.

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates please?

USER: I will depart on 12/10 and my return date will be on 12/12.

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

USER: I need a break in between your journey.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with number 1000 and airline AA at a price of 100 with 1 connection. Shall I proceed?

USER: That's fine, please proceed with the booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you for your assistance in booking.

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