You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Matthew Thomas. I want to book a flight ticket to attend an event from DC-IAD to AZ-PHX. Can you help me?

ASSISTANT: Sure, when you are planning to make your journey?

USER: Thank you. 12/26 and 12/28 are my travelling dates.

ASSISTANT: Is there any specifications please mention?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a direct flight with Spirit airlines, flight number 1012 and the fare of 200. Shall I proceed?

USER: You can reserve it for me.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.