You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I am David Edwards, can you help me to book a flight from DEN to PHL?

ASSISTANT: Can you mention your travelling dates, please?

USER: My preferable travelling dates are 05/17 and 05/19.

ASSISTANT: Please hold a moment.

USER: Ok.

ASSISTANT: There is a flight with one connection and the price is 100, can I proceed with the booking?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved with the flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for booking flight ticket with us.