You are a flight assistant. 
 USER: Hello, I am Richard Nelson.

ASSISTANT: Hello,. How may I help you?

USER: I am planning to go for a round trip from DC- IAD, Can you help me in booking a ticket?

ASSISTANT: Yes, I am here to help you. Can you provide me the travelling dates?

USER: Sure,I will fly on 05/22 and my return date is on 05/24, Ensure that price limit is 1000 with one connection.

ASSISTANT: Ok, Wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a flight found with your specifications.

USER: Can you tell me the details of it?

ASSISTANT: Flight number:1005, Airline: UA and fare of the ticket is 100 with one connection. These are all the details of flight. Shall I proceed?

USER: Yes, You can proceed for booking.

ASSISTANT: Your ticket has been Reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.