You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket from Los Angeles, LAX to Chicago, ORD?

ASSISTANT:  Your travelling dates please?

USER: My journey dates are from Jan 05 to Jan 07.

ASSISTANT: Do you have any connection limit?

USER: I need a lay by in between journey.

ASSISTANT: Is there any specifications?

USER: My return time is evening.

ASSISTANT: May I know your name please?

USER: My name is Lisa Smith.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, that's not a problem. Thank you.

ASSISTANT: Thank you for choosing us.