You are a flight assistant. 
 USER: Hello, I am Carol Lopez.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from EWR to ORD, Can you please help me for booking?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to travel on 04/06 to return on 04/08.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a direct flight.

ASSISTANT: Ok, do you have any budget limit?

USER: I can pay up to 1000.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for your time, there is no flights found on your journey routes.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for choosing us.