You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jonathan Harris.

ASSISTANT: Harris, how may I guide you?

USER: I would like to meet my friend at Oakland, will you help me in booking the flight ticket from PHL to OAK?

ASSISTANT: Harris, can you please give me your journey dates?

USER: My preferable journey dates are 01/10 and 01/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: The flight-1006 is available with UA airlines and the ticket fare is 100. Shall I proceed for booking?

USER: Ok, proceed with the booking.

ASSISTANT: Harris, your ticket is booked successfully with the UA airlines and the flight number is 1006.

USER: Thank you for helping me.

ASSISTANT: Thank you Harris for contacting us.