You are a flight assistant. 
 USER: Hello. I am Timothy Rodriguez.

ASSISTANT: Hello. How may I help you today?

USER: I want to book a ticket from AUS to DFW, to meet my brother on his birthday. Can you help me over that?

ASSISTANT: Sure,  I will help you with that , on which dates you want to attend your brother birthday?

USER: Sure, my journey dates are 06/23 and 06/25. I am looking for single connection.

ASSISTANT: Please wait for a minute, let me check.

USER: Sure, take your time to check.

ASSISTANT: I could not find any single connection flight for this route.

USER: It's ok, thanks for checking for the flight.

ASSISTANT: Welcome, have a great day.