You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Mitchell.

ASSISTANT: How can I help you at this moment?

USER: I am planning to visit  Atlanta from LGA to ATL. Can you make a reservation for me?

ASSISTANT: Sure Stephen Mitchell, I will help you with that. Can I have your travel dates please?

USER: Ok, my itinerary dates are on 10/19 and back on 10/21.

ASSISTANT: Ok Stephen Mitchell, please wait a moment to check flight availability.

USER: Sure, but make sure that the connection limit 1.

ASSISTANT: Sorry Stephen Mitchell, no flight is available to you on your dates due to some weather conditions.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a great day.