You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER:  I am Barbara Wright from Phoenix.

ASSISTANT: How can I help you out?

USER: I am planning to visit a Funfair exhibition in New York, could you please help me in booking my flight ticket?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: May I know your respective airport codes?

USER: Sure, my source airport code is PHX and the destination airport code is EWR.

ASSISTANT: Please help me with your travelling dates.

USER: My travelling dates are Sept 8 - Sept 10.

ASSISTANT: Ok, do you need any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please wait for a while. Let me check a best flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are available on your preferable dates of travel.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.