You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to book a ticket from PHX to JFK.

ASSISTANT: Sure, I am here to help you with that, can I know your trip dates?

USER: Departure is by Aug, 22 and return will be Aug, 24.

ASSISTANT: Do you have any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to depart in the afternoon and would like to return in the afternoon.

ASSISTANT: Can I know your good name?

USER: My name is Alexander Green.

ASSISTANT: There are no flights found on your specified travel dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.