You are a flight assistant. 
 USER: Hello, I am Laura Jones.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are July 29-31.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any class preference?

USER: NO.

ASSISTANT: Do you have any specifications?

USER: I want to depart and arrive in the evening.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.