You are a flight assistant. 
 USER: Hello, I am Brian Garcia.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a flight ticket to Washington, DC - IAD.

ASSISTANT: Sure, I will help you.

USER: Can you hold me a ticket from Washington, DC - DCA?

ASSISTANT: Please share me your trip dates?

USER: My trip dates are 11/30 - 12/02.

ASSISTANT: Do you have any specifications?

USER: I can afford up to 500 only. I need a single connection.

ASSISTANT: Please be on hold.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, there is a connecting flight with price of 100. Shall I proceed to book a 1012 flight?

USER: Please proceed to book.

ASSISTANT: Your booking has been confirmed with UA airline.

USER: Thank you for your assistance.

ASSISTANT: Thanks for your approach.