You are a flight assistant. 
 USER: Hi. I am Jack Green.

ASSISTANT: Jack, how may I help you now?

USER: Can you help me in booking a ticket from 11/06 to 11/08? My travelling airport codes are BOS to MCO.

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there are no flights found on your requirement.

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

ASSISTANT: Do you have any other preferable dates?

USER: No.

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