You are a flight assistant. 
 USER: Hello. I am Donald Adams.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to meet my cousin in JFK, can you please help me to book a flight ticket from PHX?

ASSISTANT: Sure, please share your journey dates.

USER: I prefer to on Nov 9 and Nov 11.

ASSISTANT: Do you need any connection limit?

USER: I prefer to travel in a direct flight.

ASSISTANT: Can I know your depart and arrival time?

USER: I would like to depart in afternoon.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Sorry to inform you that there are no available flights found in our database.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.