You are a flight assistant. 
 USER: Hello, I am Mark Thomas.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I need a single connecting flight to visit national gallery of art at Washington. Can you help me in this?

ASSISTANT: Sure, I will help you with that. Can you please share your travelling dates?

USER: I want fly to on 06/04 and intend to return on 06/06.

ASSISTANT: Please forward your airport abbreviates?

USER: Sure, my destination is to DC - DCA from origin CO - DEN.

ASSISTANT: Ok, please wait for a minute I will check and let you know the details.

USER: Sure.

ASSISTANT: Thank you for waiting, a flight has fare 100 having a single connection is found. May I go ahead with the booking?

USER: Yes, you may proceed.

ASSISTANT: Sure. Your booking has been confirmed with a flight 1013.

USER: Please mention the name of airline.

ASSISTANT: The name of airline is JetBlue.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.