You are a flight assistant. 
 USER: Hi,. I am Justin Thomas.

ASSISTANT: Hello, how can I oblige you at present?

USER: I am planning to visit Astrakhan's Colorado whiskey tour in Denver, CO - DEN. Can you help me to book a direct flight?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Kindly mention your source point.

USER: My source is from New York, NY - EWR.

ASSISTANT: Ok, Could you please help me with your depart date and return date?

USER: I want to fly on 01/11 and recur on 01/13.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to inform you that there were no flights found with your given specifications.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for availing us.