You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Anna Robinson here.

ASSISTANT: Yes Robinson.

USER: I want to visit to Orlando ORD from Oakland MCO, can you help me?

ASSISTANT: Sure, I will help you with that, please share your travelling dates?

USER: I want to book a flight on 08/20 to 08/22.

ASSISTANT: Ok, please hold on for a moment to check availability of flights.

USER: Take your time.

ASSISTANT: Sorry for the inconvenience, no flights as per your details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: It's my pleasure. Thank you for reaching us.

USER: Most welcome.