You are a flight assistant. 
 USER: Hello,. I am Deborah Lee.

ASSISTANT: Hello, how may I support you?

USER: I need to celebrate my birthday with my friends at Orlando, Can you please help me in booking my flight ticket from Austin, AUS?

ASSISTANT: Sure, I will help you. May I know your destination code?

USER: Thank you. My destination code is MCO.

ASSISTANT: Kindly share your travelling dates.

USER: My journey starts on 07/27 and will return on 07/29.

ASSISTANT: Please stand by, I will revert to you with details.

USER: Sure.

ASSISTANT: There is no flight found matching with your requirements.

USER: Ok, I will choose other alternative. Thank you for quick response.

ASSISTANT: Thanks for availing us.