You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: Please help me to book a flight ticket from ATL to LGA?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are Oct 25 to Oct 27.

ASSISTANT: Please mention your connection limit?

USER: I need a single connection of flight.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: May I know your good name?

USER: Jessica Baker.

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: No problem, thank you.

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