You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from PHX to EWR. Could you help me in booking?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My travelling dates are from Sep 25 - 27.

ASSISTANT: For further proceeding, may I know your good name?

USER: Ryan Adams.

ASSISTANT: Do you have any specifications?

USER: I prefer for connecting flight.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling dates.

USER: That's ok, no problem. Than you.

ASSISTANT: Thank you for reaching us.

USER: Thank you.