You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am looking for a flight from PHL to BOS, can you help me in booking?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Myself Stephen Phillips.

ASSISTANT: Please help me with your planned travelling dates.

USER: Sure, my planned travel dates are Feb 15 and Feb 17.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, please look for a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No, thank you.

ASSISTANT: Please allow me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Stephen Phillips, I am really sorry to inform you that there are no flights available for your journey.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.