You are a flight assistant. 
 USER: Hi, I am Brandon Robinson.

ASSISTANT: Hello, how may I support you?

USER: I need to  book a ticket to attend an interview in consultancy on 07/19 from DEN. Could you please help me in doing that?

ASSISTANT: Ok, do you have any connection preference?

USER: Yes, I prefer to have 1 connection in between the journey.

ASSISTANT: Ok, may I know your price limit to book a ticket?

USER: Sure, price should be below 200.

ASSISTANT: Could you please provide your destination code?

USER: My destination is LAS.

ASSISTANT: Ok, may I know your return date?

USER: I intend to return on 07/21.

ASSISTANT: Sorry to say, we don't have any connected flight for your requirements.

USER: No problem., thank you for your service.

ASSISTANT: Thanks for contacting us. Have a nice day!.