You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Carolyn Adams here.

ASSISTANT: Yes, Adams.

USER: We friends are planning to visit Grand Las Vegas, so can you help me booking flight from ORD to LAS?

ASSISTANT: Sure, may I know your planned travelling details?

USER: My trip starts from 12/17 to 12/19. Provide flight with connection 1.

ASSISTANT: Ok, please wait I will let you know.

USER: Ok.

ASSISTANT: There is a flight matching your requirement, can I proceed it?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked with UA airline, and flight number is 1005.

USER: Thank you for your services.

ASSISTANT: Hope you enjoy your trip well with our UA airline service.