You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Young from Denver.

ASSISTANT: How may I help you?

USER: I have a party to attend at Phoenix. Can you help me in booking a ticket from DEN to PHX?

ASSISTANT: Sure, please help me with your journey dates.

USER: My planned journey dates are 09/05 and 09/07.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: Thank you for your patience, I found a flight for you in Delta airlines with price 300. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for contacting us.

ASSISTANT: Thank you for reaching us.