You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I am Nicholas Rodriguez. I want to book a flight ticket from DTW to EWR. Could you help me in booking?

ASSISTANT: Sure, I am gleeful to assist you. May I know on which dates you are willing to travel?

USER: My travelling dates are from April 27-29.

ASSISTANT: Ok, which type of class do you prefer for your journey?

USER: I am comfort with any.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My depart time is in morning.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: Yes, I need 1 connecting flight.

ASSISTANT: Thanks for your details, there are no flights available at this moment matching your particulars.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thanks for contacting us,. Wish you a great day.