You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you now?

USER: I need your help in booking a flight ticket.

ASSISTANT: Sure, I will help you. May I know your airport codes?

USER: BOS and SEA  are the airport codes.

ASSISTANT: Please, share me your travel dates.

USER: October 11 and 13 are my planned travel dates.

ASSISTANT: Let me know your connection limit, please.

USER: I need a direct flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know about your other specifications?

USER: Nothing much to prescribe.

ASSISTANT: Please, provide me your name to proceed.

USER: My name is Jack Gonzalez.

ASSISTANT: We are sorry to inform you that, there are no flights found on your routes.

USER: That's ok. Thank you.

ASSISTANT: Thank you for choosing us.