You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from AUS?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Sure, I would like to take off on Dec 7 and return on Dec 9.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I am ok with any timings, but I prefer economy class.

ASSISTANT: Ok, do you have any other specifications?

USER: I would prefer normal cost airline.

ASSISTANT: Ok, please share me your name for documentation purpose.

USER: Sure, my name is Catherine Adams.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.