You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Janet Turner, I want to book a flight to visit Houston Space Center. Can you book a connecting flight for me?

ASSISTANT: Sure, let me know your travelling dates?

USER: I will fly on Feb 28 and return on Mar 1st.

ASSISTANT: Help me with your airport codes?

USER: My source point is DTW and my destination is IAH.

ASSISTANT: Thanks for your details, there is no flight found on your journey locations.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.