You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please book a flight ticket from JFK to PHX.

ASSISTANT: Sure, please provide your journey dates.

USER: My planned travel dates are Aug, 7 and Aug, 9.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I need single connection.

ASSISTANT: Ok, Do you have any other preferences related to booking?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

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

ASSISTANT: Ok, May I know your name for documentation purpose?

USER: Dorothy Robinson here.

ASSISTANT: Ok, Thank you.