You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I would like to depart on July 4 and return on July 6.

ASSISTANT: How much can you afford for the ticket?

USER: I can afford maximum up to 1000.

ASSISTANT: Thanks for the information. There is a flight found with number 1004 in Southwest airline. Its a connecting flight.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for availing us.

USER: You are welcome.