You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Betty Nelson and I want to visit Austin to meet my brother. Can you plase help me in booking the flight ticket from DEN to AUS?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travel dates are 01/22 and 01/24.

ASSISTANT: Do you have any connection preference?

USER: I need a halt in my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your requirement.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us.