You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Collins.

ASSISTANT: How may I assist you?

USER: Can you please book me the ticket from LAS to DEN? As I need to attend a wedding ceremony at Denver.

ASSISTANT: Sure, let me know your travelling dates?

USER: I want to depart on Feb 16 and would like to return on Feb 18.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need 1 halt in between my journey.

ASSISTANT: Do you have any budget limit?

USER: My budget for this trip is limited to 200.

ASSISTANT: We found a Southwest airline with the ticket fare of 200 and a halt in between the journey. Shall I proceed?

USER: That's perfect! Please book my ticket with this airlines.

ASSISTANT: Your ticket has been confirmed by flight number 1024 and an economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for opting us.