You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket from SEA to MCO. Could you help me in booking?

ASSISTANT: Yes, I will help you with that. Ok, please let me know your planned dates.

USER: My travelling dates are from May 21-23.

ASSISTANT: Ok, please can I know your name to book?

USER: Gregory Hill here.

ASSISTANT: Ok, please let me know your specification.

USER: I need 1 connecting flight.

ASSISTANT: Ok, is there anything else you need?

USER: No.

ASSISTANT: Sorry, there are no flights available to book.

USER: That's ok, no problem.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you.