You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: Can you help me to book a flight ticket from DTW to AUS?

ASSISTANT: Sure, when are you planning to start and return on?

USER: Ok, please book a ticket on the dates Feb 4th and 6th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, there is one intent only and it is about a connecting flight.

ASSISTANT: Can I know your good name?

USER: My name is Betty Hill.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That is ok, thank you for assisting me.

ASSISTANT: Thank you.