You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Paul White. Can you help me to book a flight ticket from my hometown which is Phoenix, PHX to BOS?

ASSISTANT: Sure, let me know your intended dates of journey.

USER: Ok, I will be travelling on 02/10 and return on 02/12. Please book for these dates.

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

USER: Yes, please provide if possible.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There are no flights found according to your requirements.

USER: That's ok, not a problem. I will plan my trip through other source. Thank you for the information.

ASSISTANT: Thank you for opting us.