You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my uncle as he is unwell. Please book my flight ticket from AUS to EWR.

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

USER: I have to depart on May 14th and return back on May 16th.

ASSISTANT: May I know your name to proceed further?

USER: I am Stephen Jones.

ASSISTANT: Is there any time concerns?

USER: I would like to return back in the afternoon time.

ASSISTANT: Do you have any connection limit in your journey?

USER: I need a flight having single connection.

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

USER: Sad to hear that, thank you for checking.

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