You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Nancy Carter.

ASSISTANT: How can I help you today?

USER: I have a magic show to attend at Las Vegas. Can you help me in booking a ticket from DFW to LAS?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: I would like to travel on dates 09/21 and 09/23.

ASSISTANT: Ok, do you have any other specifications?

USER: Make sure the price is below 200 and the flight has 1 connection.

ASSISTANT: Fine, please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights available with your given details.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for choosing us, have a great day.