You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Matthew Parker, can you help me to book a flight ticket from ORD to ATL?

ASSISTANT: Sure, I am gleeful to help you out.

USER: Thank you.

ASSISTANT: May I know your travel dates please?

USER: My travel dates are from 08/16 to 08/18.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, sorry Parker there are no flights available for your desired dates.

USER: Ok, no problem I will reach my destination through some other way.

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

USER: Thank you for your information.