You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to fly from HOU to AUS. Can you book a ticket from that route?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, my planned travel dates are 03/19 and 03/21.

ASSISTANT: May I know your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No more, thank you.

ASSISTANT: May I know your name please?

USER: Sure, Joseph Scott here.

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

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.