You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I have a record submission at University of Texas at Austin, TX - AUS.

ASSISTANT: Ok.

USER: Will you help me in booing a flight ticket?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: May I know your good name?

USER: My name is Katherine Wiliams.

ASSISTANT: May I know the airport code that you wish to fly from?

USER: My source airport code is Detroit, MI - DTW.

ASSISTANT: Help me with your travelling dates please.

USER: My journey dates are 07/30 and 08/01.

ASSISTANT: Do you need a connecting flight?

USER: Yes.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, there were no flights available with your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.