You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself David Wilson, can you help me to book a flight from PHX to BOS?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My depart date is 10/09 and return date is 10/11.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 2 connecting flight.Shall I confirm your booking?

USER: Please book a direct flight.

ASSISTANT: Sorry, there is no direct flight available for your request.

USER: Ok, thank you for the information.

ASSISTANT: You are welcome.