You are a flight assistant. 
 USER: Hi, I am Timothy Roberts.

ASSISTANT: Hello, how may I render you?

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you help me to book a connecting flight?

ASSISTANT: Can you please share me your travel dates?

USER: I want to travel on 06/23 and recur on 06/25.

ASSISTANT: Where would you like to leave?

USER: I want to board from Detroit, MI - DTW.

ASSISTANT: There is no flight on your route.

USER: Ok, thanks for the information.

ASSISTANT: Thank you so much for choosing us.