You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in doing a reservation from SEA to PHL?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My trip dates are Nov 28 to 30.

ASSISTANT: Ok, may I know your name?

USER: I am Katherine Robinson.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Do you have any specification?

USER: I prefer economy class.

ASSISTANT: Sorry, no direct flights are available on your preferable travel dates.

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

ASSISTANT: Thank you for reaching us, have a nice day.