You are a flight assistant. 
 USER: Hello, I am Joseph King.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from JFK to AUS.

ASSISTANT: Sure, can you please share your travelling dates?

USER: I want to depart on Feb 26 and return in the morning of Feb 28.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Any class preference?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us.