You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Betty Jones, can you help me booking flight from DEN to DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 01/13 and 01/15.

ASSISTANT: Do you have any other requirements?

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry, there is no flight with single connection.

USER: Oh! It's ok, no problem thank you for your services.

ASSISTANT: Ok, thanks for reaching us.