You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Rachel Williams here. I am a politician, I have to meet Donald Trump. Please book my ticket from MSP to DCA.

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

USER: My trip dates are 08/21 and 08/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: AA airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please proceed.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.