You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Myself Nicole Scott, will you help me in booking the flight ticket from IAH to AUS?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My preferable journey dates are June 12 and June 14.

ASSISTANT: Let me know your departure time and arrival time.

USER: My return time must be in afternoon.

ASSISTANT: Do you have any specification?

USER: I need a flight with single connection.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, not an issue. Thank you for your information.

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