You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Ronald Allen here. I would like to visit Mount Rainier National Park in DCA, can you help me booking flight from IAH?

ASSISTANT: Yes, I can help you with that. Could you please tell me your travelling dates?

USER: My travel going to start from 06/30 to 07/02. Make sure with 1 connection.

ASSISTANT: Ok, give me a second, I will get back to you. I have found a flight for you with a price of 200.

USER: Ok, proceed to booking.

ASSISTANT: Can I book the ticket for you? Ok, your ticket is booked.

USER: Thank you for your services.

ASSISTANT: You are most welcome.