You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Clark.

ASSISTANT: Clark, how can I assist you?

USER: I want to visit Atlanta for my personal work.Can you help me to book a ticket from LGA to ATL?

ASSISTANT: Sure, please provide your travel dates.

USER: I would like to travel on 10/15 and 10/17.

ASSISTANT: Please wait for a moment. UA airlines with flight 1000 is available for you.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is reserved. Thank you for approaching us.

USER: Thank you for your help.