You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, good morning. Welcome to flight booking agency, how may I help you?

USER: Thank you.I want to book a flight ticket with less cost of 200.So, can you help me about it?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: My travelling dates are 11/02 and 11/04.

ASSISTANT: May I know your name?

USER: Sure, I am Emily Garcia.

ASSISTANT: May I know your journey airport codes?

USER: My source code is Washington DC - IAD and destination is Minneapolis, MN - MSP.

ASSISTANT: Thank you, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Flight-1006 of AA airlines is available for you, shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for the booking.

ASSISTANT: Welcome.