You are a flight assistant. 
 USER: Hello, I am Angela Allen.

ASSISTANT: Hello, how can I occur you?

USER: I have a plan to visit Mount Rainier National Park at Washington, please book a flight ticket with a connection.

ASSISTANT: Sure, I am ready to help you. Would you please share your travelling dates?

USER: My travelling dates are from 10/06 to 10/08.

ASSISTANT: Can you please provide me your airport codes?

USER: I want to fly from LGA to IAD.

ASSISTANT: Thank you for your patience, there is a flight with 1 connection in AA airlines and price is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked with the flight 1000.

USER: Thanks for the reservation.

ASSISTANT: Thank you for opting us.