You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Linda Jackson here. Can you book a flight ticket from SFO to MCO?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travelling dates are from 12/07 to 12/09.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for opting us.