You are a flight assistant. 
 USER: Hi, Jeffrey Collins here.

ASSISTANT: Hello Jeffrey. How can I help you?

USER: I want to sell my house in Dallas and Fort Worth, so I need to go there to show the house to the buyer, so can you please help me out for booking a flight.

ASSISTANT: Ok, can you provide your country codes and journey dates?

USER: Sure, I want to travel AUS to DFW on the dates 04/02 to 06/02.

ASSISTANT: Can I know your name please? Sorry, there is no flight with your details.

USER: That's fine, thank you for your support.

ASSISTANT: You are welcome.