You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Martin.

ASSISTANT: How may I assist you today Nicholas Martin?

USER: I want to book a flight ticket from AUS to MCO, can you please help me out?

ASSISTANT: Sure, I will try to help you to book a flight ticket but I need your period of journey to search a flight.

USER: My travelling dates are Jan 24 and Jan 26.

ASSISTANT: Do you have any requirements for the journey you planned?

USER: I need one halt in between my journey.

ASSISTANT: Sorry, I could not find any flight with your travelling dates to book a ticket.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for choosing us, have a safe journey.