You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donna Taylor.

ASSISTANT: How may I help you out?

USER: Can you please help me in booking my flight ticket from IAH to EWR?

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

USER: My travelling dates are Nov 14 and Nov 16.

ASSISTANT: Do you need any specifications?

USER: I need my depart flight at morning time. I also need connceting flight.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.