You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: On my holiday vacation, I would like to visit Austin. Can you please reserve me a flight ticket from Detroit?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your airport codes?

USER: My take off airport code is DTW and landing airport code is AUS.

ASSISTANT: Can you please share me your travel dates?

USER: I am planning to depart on July 30 and return on Aug 01.

ASSISTANT: Is there any other specifications regarding your journey?

USER: My return time should be morning.

ASSISTANT: Do you have any criteria?

USER: I need a flight having single connection.

ASSISTANT: May I know your name please?

USER: I am Catherine Thomas.

ASSISTANT: Sorry to inform, no flights are found with your credentials.

USER: Ok, no problem.

ASSISTANT: Thank you very much for connecting with us.

USER: Thank you for the information.

ASSISTANT: You are most welcome.