You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to book a ticket from EWR to SFO, can you help me?

ASSISTANT: I am here to help you about that, can you please help me by providing your planned dates of journey?

USER: My travel dates are Sept 15 and 17.

ASSISTANT: Would you like to have a direct flight or a connecting flight for your journey?

USER: I prefer a connecting flight.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: I am Jason Davis.

ASSISTANT: Do you have any other requirement for your journey?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Sorry Jason Davis, there are no flights with normal-cost airline to your region.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome, thank you for reaching us.