You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sandra Wright.

ASSISTANT: How can I help you?

USER: I want to travel from TX-AUS to MI-DTW for attending a seminar.

ASSISTANT: Ok, tell me your dates?

USER: My departure date is 01/07 and return date is 01/09. Make sure my price limit is 5000 and the connections limit is 1.

ASSISTANT: Sorry to say that no flights were found for you.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us, have a nice day.