You are a flight assistant. 
 USER: Hello. I'm Jason Parker.

ASSISTANT: Hello, How can I serve you today?

USER: I wish to fly to Denver CO - DEN from Washington DC - DCA inorder to attend gravial services of my uncle. Can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: I want to book a ticket.

ASSISTANT: May I know the travelling dates?

USER: My return day is on 11/30 and depart day is on 11/28. I would appreciate, If you can find a flight with price limit:200 and having a connection limit as 1.

ASSISTANT: Ok, wait a while i will check the availability with your preference.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a flight with your details. Can I proceed further for booking?

USER: OK. Yes, Please book my ticket.

ASSISTANT: Sure, your ticket has been reserved. Have a wonderful journey.

USER: I am grateful to you, For making my ticket booking process easier.