You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Alexander Campbell.

ASSISTANT: How can I assist you today?

USER: I want to visit Korean war veterans memorial in Washington IAD. Can you help me to book a connecting flight?

ASSISTANT: Sure, I'm here to help you with that. Can you please provide me your source airport code?

USER: My source is from New York, LGA.

ASSISTANT: Ok, may I know your planned travel dates please?

USER: My travel dates are in the month of October 19 and 21.

ASSISTANT: Ok, do you have any other specifications?

USER: No, I don't have any requirements.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Spirit airlines is providing a flight on that route with ticket fare of 300, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked your ticket with flight-1005, have a safe journey.

USER: Thanks for the help and support.

ASSISTANT: Thank you for choosing us.