You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Angela Parker, want to travel from MCO to AUS. Can you please help me?

ASSISTANT: Sure, I will help you in booking. May I know when you are planning to travel?

USER: My travel dates are from 07/07 to 07/09.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER: That's fine, thank you.

ASSISTANT: Thank you for opting us.