You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Lewis here.

ASSISTANT: How can I assist you today?

USER: I am planning to book a flight ticket from SEA to JFK. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I can help you in that. May I know your planned travel dates please?

USER: My planned travel dates are May 07 and May 09.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight with Normal Cost.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.