You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I have to attend a client  meeting in Houston, can you please search a flight in the route from DTW to IAH?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you for considering my request. My travel dates are Dec 6 and Dec 8.

ASSISTANT: Can I know your name please?

USER: My name is Ronald Martin.

ASSISTANT: Do you need any specifications in airlines?

USER: No but I am looking for a single connecting flight.

ASSISTANT: Sorry, there are no flights found in our database.

USER: It's ok, not a problem with that. Thank you for checking the flights.

ASSISTANT: Thank you for reaching us.