You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please reserve me a flight ticket from EWR to BOS?

ASSISTANT: Sure, I am glad to help you. May I know your trip dates?

USER: My planned trip dates are May 3 and May 5.

ASSISTANT: May I know your name?

USER: I am Christine Smith.

ASSISTANT: Do you have any connection limit?

USER: I prefer only direct flight for my journey.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.