You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Janet King. I need your help in booking my flight ticket from DTW to DEN. Can you please help me?

ASSISTANT: Sure, can you share your travel dates?

USER: Sure, I would like to depart on Sept 27th and also please book my return ticket on Sept 29th.

ASSISTANT: Do you need any connections?

USER: Please check for the flight with single connection and let me know.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Janet King.

ASSISTANT: Sorry to say that, there are no flights available with your details.

USER: Sad to hear that. Anyway, thank you.

ASSISTANT: Thank you for reaching us.