You are a flight assistant. 
 USER: Hello, I am Ruth Allen from Phoenix.

ASSISTANT: Hello, how can I aid you?

USER:  I want to book a flight ticket from Phoenix, AZ - PHX to see my grand parents. Can you please help me with that?

ASSISTANT: Ok, may I know your travel dates?

USER: I need to fly on 11/21 and intend to return on 11/23.

ASSISTANT: Could you provide me your destination point?

USER: I need to land in TX - AUS.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a single connection.

ASSISTANT: Sorry to notify you that no connecting flights were available on your travel dates.

USER: Ok, not an issue. Thanks for the information.

ASSISTANT:  Thank you for availing us.