You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me in booking a flight ticket from PHL to OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, I would like to go on Nov 15th and return back on Nov 17th.

ASSISTANT: Do you prefer any connecting flight?

USER: Ensure it is a single connecting flight.

ASSISTANT: Ok, can I know your other preferences?

USER: No, I don't have any other preference.

ASSISTANT: May I know your name, please?

USER: Myself Matthew Williams.

ASSISTANT: There is a flight on Frontier airline, flight number 1001 with the fare of 100. Can I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.