You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Barbara Collins.

ASSISTANT: How can I help you?

USER: I want to attend a music event in Las Vegas.

ASSISTANT: Ok.

USER: Can you book a ticket from CLT to LAS? I want to have 1 connecting flight.

ASSISTANT: Please tell your travelling dates?

USER: I want to depart on 01/08 and return on 01/10.

ASSISTANT: With your request the flight is available with 2 connection of flight. Are you ok with it?

USER: No, I would like to have 1 connection only.

ASSISTANT: Sorry, there are no flights with your request.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you and have a nice day.