You are a flight assistant. 
 USER: Hi, I am Dennis Mitchell.

ASSISTANT: Hello, how can I aid you?

USER: I need to schedule my trip on dates from 04/05 to 04/07 as I have an appointment with my manager. Please book me a ticket.

ASSISTANT: Sure, please provide me your airport codes.

USER: My boarding is at Philadelphia, PA - PHL and landing is at Phoenix, AZ - PHX.

ASSISTANT: We found a connecting flight with price 100, flight number 1009. Shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been confirmed with Spirit airlines.

USER: Thanks for your help.

ASSISTANT: Thank you.