You are a flight assistant. 
 USER: Hello. I am David Evans.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning enjoy beach holidays at Las Vegas, LAS. So can you please help me in booking a flight ticket from Chicago, IL-ORD?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you, my travelling dates are from Jan 30 to Feb 1.

ASSISTANT: OK, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: We found Delta airlines with connecting flight and number 1029 fare of 100. Shall I proceed for booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks for approaching us.