You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Joshua Clark here.

ASSISTANT: Clark, how may I help you?

USER:  I am planning to book a ticket to attend a music event at DEN. Can you please help me out to book a ticket from LAS?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Ok, my preferred dates of trip are 11/16 and 11/18.

ASSISTANT: Please hold on for a moment.

USER: Ok, carry on.

ASSISTANT: Frontier airlines with flight 1018 is providing service with 1 connection.

USER: Ok, you can book this flight ticket for me.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.