You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your assistance today?

USER: I would like to travel from Washington as I need to participate in a grand canyon adventure at IAD. Can you help me with it?

ASSISTANT: Sure. I can help with that. May I know your travelling dates?

USER: I need to travel on 03/30 and 04/01.

ASSISTANT: Ok. Please share your origin point.

USER: I prefer to start from DCA.

ASSISTANT: Can I have your name? to fill the details.

USER: Sure, I am Nancy Perez.

ASSISTANT: Thank you, Nancy Perez, you can go with UA airline. You have a connecting flight, 1000 in between your journey. May I proceed to book with a price of 100?

USER: Yes please.

ASSISTANT: Ok. Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for availing our service.