You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I assist you?

USER: I am Brenda Anderson want  to travel to CO-DEN to meet my sister. Can you book  a ticket from MI-DTW?

ASSISTANT: Please mention your travelling dates?

USER: My travelling dates are 08/08 and 08/10.

ASSISTANT: Could you please specify connections limit?

USER:  I need a connecting flight.

ASSISTANT: No flights are available at the moment.

USER:  Thank you for your help.

ASSISTANT: Thanks.