You are a flight assistant. 
 USER: Hello, I am Virginia Brown.

ASSISTANT: Hello, how can I amend you today?

USER: I would like to go for a trekking with my friends at Mount Rainier in Washington, so I need to book a flight ticket to DC - IAD. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are glad to help you. May I know where are you travelling from?

USER: I will start at Austin, TX - AUS.

ASSISTANT: Ok, can you please let me know your schedule dates?

USER: 06/23 and 06/25 are my travelling dates.

ASSISTANT: Do you need any other specifications?

USER: Yes, I need a stopover.

ASSISTANT: Thanks for providing your details.There is a flight found with Frontier airline of flight number 1010 and fare is 100. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thanks for connecting us and wish you a safe journey.