You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am George Evans from New York. I have to go to Detroit in this week for my film shooting purpose. Can you please help me in booking flight ticket?

ASSISTANT: Yes, I can help you. Can you tell me your travelling dates?

USER: Thank you for accepting my request. I want to take off on 07/14 and please confirm my return ticket also on 07/16.

ASSISTANT: Ok, could you share me your nearest airport codes?

USER: I would like to fly from EWR and destination airport is DTW.

ASSISTANT: Give me a moment.

USER: Ok, take your time and find a best flight for me.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.