You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to book flight ticket from EWR to SEA?

ASSISTANT: Sure, can you please share your journey dates?

USER: My trip dates are Oct 24 and Oct 26.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I would fly in normal cost airline.

ASSISTANT: Can I have your name to proceed further?

USER: Myself Justin Walker.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.