You are a flight assistant. 
 USER: Hello, I am Paul Wilson.

ASSISTANT: Hello, How can I serve you?

USER: As I am a singer, I want to attend for Austin live music crawl at Austin, AUS. Can you please reserve a flight ticekt on 09/21?

ASSISTANT: Sure, May I know the source code?

USER: I would like to board from Denver, DEN.

ASSISTANT: Please help me with your return date.

USER: My return will be on 09/23.

ASSISTANT: We have found a direct flight from Hawaiian airline. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok. Thank you for availing us.

USER: Thank you for your information.