You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Ruth Collins. Can you please book me a flight ticket from DTW to AUS?

ASSISTANT: Sure, Please help me with your travel dates.

USER: I will fly on 02/05 and arrival on 02/07.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.