You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Dorothy Clark.

ASSISTANT: How can I assist you today?

USER: I am planning to go for a round trip to Washington, IAD so, can you book a ticket with a connecting flight?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My travel dates are 08/25 and 08/27.

ASSISTANT: Ok, do you have any other specifications?

USER: I can afford up to 500 for a ticket.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Frontier airlines is having a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: I have successfully booked your ticket with flight-1010, have a safe journey.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.