You are a flight assistant. 
 USER: Hi. Kimberly Phillips here.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a direct flight to New York?

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

USER: My travel dates are 03/19 to 03/21.

ASSISTANT: Can you please share your source and destination airport codes?

USER: Reserve a flight ticket for me that is from airport codes HOU to EWR.

ASSISTANT: There is a direct flight available on your requested dates from AA airline.

USER: You can book it.

ASSISTANT: Shall I confirm your booking? Your ticket is booked with flight 1003.

USER: Thanks for booking my flight ticket.

ASSISTANT: Thank you for flying with our service.