You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Shirley Turner. I want to do shopping at 16th street mall for my wedding on 05/30, please help me with booking flight ticket on dates 05/29 and  return on 05/31.

ASSISTANT: Sure, could you please share your airport codes, where you want to travel and return?

USER:        My airport codes are Detroit, MI-DTW and Denver, CO-DEN.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.