You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I planned to meet my friend in AUS, can you please help me to book a flight ticket from MCO?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I prefer to travel on Jun 17 and Jun 19.

ASSISTANT: Do you have any preferences about flight connections?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: I am Ashley Walker.

ASSISTANT: There is no flights found under your preferable details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.