You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: I am Alexander Hernandez want to visit Chicago to meet my friends, can you book a ticket from LAS to ORD?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my travelling dates will be 07/07 and 07/09.

ASSISTANT: Just give me a moment, I will check flight availability in this route as per your requested dates.

USER: Ok.

ASSISTANT: Based on your information, Delta airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I book this flight ticket for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1010.

USER: Thank you.

ASSISTANT: You are welcome Alexander Hernandez.