You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Amy Edwards, I want to book a flight from Washington to St.Paul. Can you book a flight with in fare of 1000?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I will fly on Feb 23 and return on Feb 25.

ASSISTANT: Ok, can you please provide your airport codes?

USER: My source point is DCA and my destination point is MSP.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked with 1017 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.