You are a flight assistant. 
 USER: Hi.

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

USER: I want to book a ticket from PHL to BOS, can you help me?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My travel dates are Jan 12 and 14.

ASSISTANT: Can you please let me know do you need any connecting flight?

USER: I prefer connecting flight.

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

USER: I am Alexander Lopez.

ASSISTANT: Do you need any other requirements for your journey?

USER: I prefer Normal cost airline.

ASSISTANT: Sorry to say this Alexander Lopez, there are no flights which travels to your region.

USER: No problem, thanks for checking.

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