You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Can you guide me in booking my flight ticket from AUS to PHX?

ASSISTANT: Sure, Please help me with your travelling dates?

USER: My trip dates will be Apr 19th to Apr 21st.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No, please go with the above details.

ASSISTANT: May I know your name?

USER: I am Alexander Wilson.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.