You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I need to book a flight ticket from AUS to HOU, can you help me in booking a flight ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my scheduled dates are Sep 22 and Sep 24.

ASSISTANT: Do you have any connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Any other preferences?

USER: I would prefer return time at morning.

ASSISTANT: May I know your name?

USER: Sure, Amanda King here.

ASSISTANT: Do you have any class preference?

USER: Sure, I want to fly in a economy class.

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

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thank you.