You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend seminar from DC-DCA to AZ-PHX.Can you please help me for booking the flight ticket?

ASSISTANT:  Sure, can you please give me your planning dates?

USER: The preferable dates are from 05/09 to 05/11.

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: I found a ticket for you.The price is 200 and flight number is 1023. Is it ok for you?

USER: That's fine, proceed with my booking.

ASSISTANT: Thank you for the information. Your ticket is confirmed successfully.

USER: Thank you for your service.

ASSISTANT: Can you provide your name please?

USER: My name is Paul Harris.

ASSISTANT: Thank you.

USER: Thank you.