You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Scott Roberts here.

ASSISTANT: How may I help you today?

USER: Could you book my ticket in a direct flight?

ASSISTANT: Sure, I am here to help you with that. Can I have your travelling dates?

USER: My itinerary dates are 01/25 and 01/27.

ASSISTANT: Ok, may I know your airport codes?

USER: I will depart from OAK and land at SEA.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: The Spirit airlines are providing a flight having a connection limit 1. Can I proceed with the booking?

USER: As I already mentioned, I need a direct flight.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.