You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I planned my birthday party in Las Vegas, NV-LAS. Please help me to search a flight ticket.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Thomas Perez.

ASSISTANT: Thomas, can you provide your travel details?

USER: I am located in Denver, my nearby airport is CO-DEN. The travelling dates should be 09/18 and 09/20.

ASSISTANT: Flight number 1004 of Frontier airlines is available for you.

USER: What is the connection limit?

ASSISTANT: Flight has 1 connection.

USER: Ok, please proceed with the booking process.

ASSISTANT: Your ticket is booked.