You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you at this moment?

USER: Can you please assist me in booking a flight ticket from LGA to reach Chicago, ORD?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: My journey dates are from June 29 to July 01.

ASSISTANT: Let me know your connection limit, please.

USER: I need a stopover in between journey.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class flight.

ASSISTANT: May I know your airline preference?

USER: No, but my return time is afternoon.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: My return time is afternoon.

ASSISTANT: Let me know your name to proceed.

USER: My name is Jeffrey Scott.

ASSISTANT: Sorry, no flights are found on your desired routes.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thanks for reaching us.