You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Charles Miller.

ASSISTANT: How can I help you?

USER: Will you help me in booking the flight ticket from PHL to OAK?

ASSISTANT: May I know your travelling dates please?

USER: My preferable journey dates are 11/25 and 11/27.

ASSISTANT: There is a flight with single connection, can I proceed for booking in Frontier airlines?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done in 1003 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.