You are a flight assistant. 
 USER: Hello, Sandra Lewis here.

ASSISTANT: Hello. How may I help you?

USER: I planned to travel from HOU to DTW, can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: I planned to travel on 04/06 and 04/08.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with 0 connection, can I proceed with this flight?

USER: No, please search for a 1 connecting flight.

ASSISTANT: Sorry, there are no flights.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.