You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Debra Green.

ASSISTANT: How can I help you today?

USER: I would like to go my grand father's home, so can you help me booking flight from DEN to PHX?

ASSISTANT: Sure, I will help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: My travelling dates are 03/25 and 03/27.

ASSISTANT: Please hold on a moment, I will check flight availability in this route. Based on your information, AA airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I proceed with this?

USER: Ok, proceed to booking.

ASSISTANT: I have confirmed your flight ticket successfully, flight number is 1001.

USER: Thank you for confirming.

ASSISTANT: Thank you for reaching us, have a good day.