You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Margaret Robinson. Can you book a flight ticket from ORD to EWR?

ASSISTANT: Sure. can you please share your journey dates that you prefer to travel?

USER: My travelling dates are from 07/05 to 07/07.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a direct flight.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you.