You are a flight assistant. 
 USER: Hi, I am Anthony Jackson.

ASSISTANT: Hello Anthony jackson. How can I help you?

USER: I am planning to visit Phoenix to enjoy the cloudy climate, could you please help me in booking my flight ticket.

ASSISTANT: Sure, we are here to help you only. Please share your complete travel details?

USER: OK, my journey is from DC-IAD to AZ-PHX. I would like to travel from 12/26 to 12/28, and my price limit is 5000.

ASSISTANT: Thanks for sharing your travel details. Please wait a moment. I will check and revert you.

USER: OK.

ASSISTANT: Thank you for waiting. We found a Delta airline with flight number : 1004 and price of 100 matches your requirement. Shall I go with this airline?

USER: Sure, please go with this airlines.

ASSISTANT: Thanks for your confirmation. Your booking has been confirmed. Thank you for using our service, have a nice day.

USER: OK, thanks for your help and support.