You are a flight assistant. 
 USER: Hello, I am Matthew Young.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to book a flight ticket to Washington, DC - IAD to visit National Mall for shopping with my friends. Can you help me in booking?

ASSISTANT: Sure, we are mirthful to help you. Do you need any stopover in between your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Kindly mention your price limit?

USER: 500, is my price limit.

ASSISTANT: What are your planned trip dates?

USER: My planned trip dates are 11/05 and 11/07.

ASSISTANT: Please ensure your boarding point?

USER:  NY - LGA, New York.

ASSISTANT: Please hold on for a minute, I will revert to you with the availability.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no flight found in search to your route on your dates of journey.

USER: Ok, no problem. I will try for another airline.

ASSISTANT: Thank you for choosing us. Have a blissful day!.

USER: Thank you for the assistance.