You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Emily Robinson. I need to book a flight ticket for my journey to MCO for attending a small event over there. Can you please help me to book a flight ticket from SFO?

ASSISTANT: Sure Emily Robinson, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are 02/21 and 02/23.

ASSISTANT: Ok Emily Robinson, please wait a moment to check flight availability.

USER: Ok, sur. sure.

ASSISTANT: I have found a flight in Delta airlines which is having connection 1 and price of the ticket is 500. Shall I proceed with booking now?

USER: Ok, please proceed for booking.

ASSISTANT: Sorry for the inconvenience, due to heavy traffic this flight has changed to direct flight with out any connections. Is it ok for you?

USER: No, thanks.

ASSISTANT: Sorry Emily Robinson, no flight is available to you with connection 1. Anyway, thank you for choosing us.

USER: Thank you for checking.

ASSISTANT: Most welcome.