You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to visit Las Vegas in my winter holidays, can you please book a flight ticket from LGA to LAS?

ASSISTANT: Can you please tell your travelling dates?

USER: My departure date is 10/15 and please book my return ticket also 10/17.

ASSISTANT: Spirit airline is available with 1 connection and ticket price is just 100. Shall I proceed the process?

USER: Yes, please proceed.

ASSISTANT: Your reservation is confirmed with flight 1011. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day. Can you please tell your name?

USER: Sure, my name is William Jackson.

ASSISTANT: Thank you so  much.