You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Scott Anderson here, I want to reserve my ticket from OAK to SFO, can you please help me in booking?

ASSISTANT: When you are planning to go?

USER: I am planning to go within the dates from Dec, 17 to Dec, 19.

ASSISTANT: Do you prefer any connection limit?

USER: Yes, I want a connecting flight to fly with it.

ASSISTANT: May I know your specifications?

USER: Yes, I want a airline preference which is having normal cost.

ASSISTANT: Sorry to say, no flights found on your name.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you.