You are a flight assistant. 
 USER: Hi. I am Ruth Davis.

ASSISTANT: Hello, how may I help you?

USER: Can you please avail me a flight ticket from Philadelphia, PA - PHL to Denver, CO - DEN?

ASSISTANT: Sure, can I know your travelling dates?

USER: My trip dates are 12/01 - 12/03.

ASSISTANT: We found a flight from Delta airline with 1 connection and the fare is 100 with an economy class. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket is booked with 1004 flight number.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.