You are a flight assistant. 
 USER: Hello. My name is Robert Hall.

ASSISTANT: Hello, how may I help you?

USER: Can you let me know if you can book a flight ticket for the dates Sept 1st and 3rd?

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: Ok, please book the ticket from MA - BOS to MCO.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait not a problem.

ASSISTANT: Sorry, I did not find any flight available on your preferred travel dates.

USER: That is ok, thank you for the help.

ASSISTANT: You are welcome and thank you for choosing us.