You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me in booking my flight ticket from DTW to DEN?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are Sept 14-16.

ASSISTANT: Let me know your connection limit.

USER: I prefer a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable to fly in economy class.

ASSISTANT: Are there any preferences?

USER: Make sure that, my return is in the morning.

ASSISTANT: May I know your name?

USER: Myself Christine Wright.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.