You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: I would like to travel from NY-JFK on 04/11.

ASSISTANT: Do you prefer any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your return date?

USER: My return will be on 04/13.

ASSISTANT: Let me know your name please.

USER: I am Donna Green.

ASSISTANT: Can you please provide your source airport code?

USER: I would like to land on CO-DEN.

ASSISTANT: Please wait for sometime.

USER: Ok.

ASSISTANT: Thanks for being patient. Unfortunately there is no flight available with your specifications.

USER: NO issue. Thank you for your service.

ASSISTANT: Thank you for approaching us.