You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: As I am a singer, I want to participate in Music festival at Charlotte, CLT. Can you please book a ticket from LAS?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling dates are Oct 25 and Oct 27.

ASSISTANT: May I know your connection limit?

USER: I want single connection.

ASSISTANT: Do you have any other requirements?

USER: I prefer economy class.

ASSISTANT: Ok, please share your name.

USER: I am Jessica Baker.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.