You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Ashley Allen here and I would like to attend a seminar in Washington, can you please help me out with booking of a flight ticket?

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, I am planning to go on 02/12 and please book my return ticket on 02/14.

ASSISTANT: Can you provide me your airport code of your journey?

USER: I want to travel from DEN to DCA.

ASSISTANT: There is a flight available with the ticket fare 200 and the connection limit 1. Can I proceed?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your ticket is booked and the flight number is 1012.

USER: You have done a great job, thank you for your help.

ASSISTANT: Thank you for availing our service.

USER: Most welcome.