You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from EWR to DTW?

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

USER: I would like to depart on Feb 18th and return on Feb 20th.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Dorothy Thomas.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.