You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. By what way shall I support you for the day?

USER: I would like to go for a round trip to Las Vegas, NV - LAS. Can you please help me in booking?

ASSISTANT: Fine. For booking a ticket, let me know your journey dates.

USER: I am willing to travel on 12/12 to 12/14.

ASSISTANT: By what name shall I book a ticket?

USER: Please book the ticket on the name of Rachel Smith.

ASSISTANT: Thanks for your name. We found a flight with 1 connection of price 100 in Hawaiian airline. In 1011 flight.

USER: Sure, you can confirm.

ASSISTANT: Booking is done. Thank you for opting us.

USER: Thank you.