You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Sandra Adams.

ASSISTANT: How shall I help you?

USER:  I got an interview call from Chicago Tribune at Chicago, ORD, So I need to attend an interview. Can you please help me with book a ticket from Las Vegas, NV - LAS?

ASSISTANT: Please provide connections limit?

USER: I need one connection in between my journey.

ASSISTANT: Please mention your journey dates?

USER: My traveling dates are 12/22 to 12/24.

ASSISTANT: Ticket is available with flight number 1017, airline UA having price 200.

USER: OK, please proceed to book.

ASSISTANT: Ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thanks.