You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: My name is Christine Evans.

ASSISTANT: What can I serve you from our Logic agency?

USER: I got an admission in Howard university which is in Washington, I need your help in booking the ticket from DEN to DCA.

ASSISTANT: Oh! that's great news congratulations for that, sure I will assist you about it.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates of journey and help me to check the better search of flight to your route?

USER: Sure, my preferable dates are from 11/04 to 11/06.

ASSISTANT: Give me a second.

USER: Please, ensure that flight has 1 connection limit.

ASSISTANT: Yes, exactly I found you a flight with 1 connected flight, which costing 100.Is this flight ok for you?

USER: Please proceed the booking of my ticket.

ASSISTANT: Congratulations, flight 1019 which travels from AA airlines has been confirmed for your journey.

USER: Thank you for booking my ticket.

ASSISTANT: My pleasure, have a safe journey.