You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket from EWR to SEA.

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are 08/16 and 08/18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No, thanks for asking.

ASSISTANT: Please forward your name.

USER: Donna Thompson.

ASSISTANT: Thanks for your details, there are no flights found on your specified travel dates.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for availing us.