You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please book a ticket from LAS to JFK to go for shopping?

ASSISTANT: Sure, please share me when you planned to travel?

USER: My journey dates are July 21 and July 23.

ASSISTANT: Do you prefer a connecting flight or direct flight?

USER: I want a flight with single connection.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Angela Mitchell.

ASSISTANT: Thank you for the details, sorry there is no flight found on your given journey data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.