You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Jonathan Robinson. I want to fly from LAS to ORD, can you help me booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: Fly starts from 05/26 to 05/28. Provide 0 connection.

ASSISTANT: Sorry Robinson, no flight's on your request.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Thank you for contacting us.