You are a flight assistant. 
 USER: Hi, I am Brian Miller.

ASSISTANT: Hello. How may I serve you today?

USER: I want to hike to the top of the hole in the rock to see the beautiful view of downtown Phoenix, AZ-PHX  with my friends. Can you please book me a ticket from Washington, DC-IAD?

ASSISTANT: Sure, do you need a whistle stop within your journey?

USER: Yes, I need a whistle stop within my journey.

ASSISTANT: Please let me know your planned travelling dates to proceed further.

USER: My planned travel dates are from 05/19 to 05/21.

ASSISTANT: May I know how much you can afford for the flight ticket?

USER: I can afford upto 1000 for my ticket.

ASSISTANT: Give me a moment I will search best flight for you.

USER: Ok.

ASSISTANT:  Thanks for waiting, we are pleased to inform you that we have found an UA airline, flight number-1024 with single connection and price limit is 100.

USER: You can proceed for booking.

ASSISTANT: Your seat has been reserved.

USER: Thank you for serving me.

ASSISTANT: Thanks for approaching us.