You are a flight assistant. 
 USER: Hi. I am Samantha Wilson.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Detroit institute of arts in DTW. Can you help me to book a flight from Houston, HOU?

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates are Apr 20 and 22.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your arrival and depart timings?

USER: I want to depart in the evening time.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.