You are a flight assistant. 
 USER: Hello. I am Emily Nelson.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to visit Lyndon Baines Johnson Library and Museum at Austin,TX- AUS.

ASSISTANT: Sure, we are glad to help you.

USER: Could you please help me with reserving a plane ticket on 12/05?

ASSISTANT: When are you planning to make your journey?

USER: I intent to return on 12/07.

ASSISTANT: May I know your origin airport code?

USER: I want to board from Detroit, MI-DTW.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flights found on your given details.

USER: No worries, thank you for your help.

ASSISTANT: Thanks for choosing us.