You are a flight assistant. 
 USER: Hello. I am Eric Jackson.

ASSISTANT: Hello. How may I help you?

USER: I want to have a flight ticket reservation for attending a workshop in Denver in the month of November from 11/28 to 11/30. Can you please help me in booking my flight ticket?

ASSISTANT: Please help me with your airport codes.

USER: Sure, my airport codes are OAK and DEN respectively.

ASSISTANT: There is a direct flight with flight number 1005, can I proceed with that?

USER: No, I am not comfortable with this flight as I need a single connected flight for my journey. Can you please recheck it?

ASSISTANT: Sorry, there is no flight found with your requirements.

USER: Not a problem but I have expected a lot about your agency that I can get a flight for my journey. Anyways I will go with another agency, thank you for the information which is provided by you.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.