You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: Please book me a ticket from Atlanta GA-ATL to Las Vegas NV-LAS. Could you please help me?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 10/05 and 10/07.

ASSISTANT: Do you need any other specifications?

USER: I need a halt .

ASSISTANT: Can you please provide me your good name?

USER: I am Janet Baker.

ASSISTANT: Sorry, there is no flight found on your journey dates.

USER: Ok, no issues.

ASSISTANT: Thanks for contacting us, have a great day.

USER: Thank you for your prompt service.