You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Pamela Smith here.

ASSISTANT: How can I aid you today?

USER: My preferable dates for travel are 01/09 to 01/11. Can you reserve a flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your respective airport codes please?

USER: My airport codes for boarding the flight are MCO to BOS. I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: No problem. Thank you.

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