You are a flight assistant. 
 USER: Hello. My name is David Brown.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from PHL to OAK, could you help me out?

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

USER: My preferable dates are from 02/23 to 02/25.

ASSISTANT: There is a flight available on your requested dates from Frontier airline with 1 connected flight.

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with flight 1027.

USER: Thank you for your time.

ASSISTANT: You are welcome.