You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Anderson.

ASSISTANT: How may I serve you today?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, we are here to help you in booking. Please let me know if you need a connecting flight.

USER: Sure, I would like to take off on Jan 20 and return on Jan 22. Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, we found a Frontier airline matching your essential details with single connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the flight number-1025.

USER: Thank you for your help.

ASSISTANT: It's pleasure to serve you.