You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help in booking my flight ticket from LAX to ORD?

ASSISTANT: Sure, may I know your good name?

USER: Myself Anna Evans.

ASSISTANT: Please share me your planned journey dates?

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

ASSISTANT: Please mention your connection limit?

USER: I need single connection flight.

ASSISTANT: Do you have any other requirement?

USER: I need my return ticket at evening time.

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

USER: Thanks for checking.

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