You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jessica Phillips.

ASSISTANT: How may I assist you?

USER: I am planing to attain my friends birthday party.

ASSISTANT: That's great, can you please share your airport codes?

USER: Yes, my airport codes are IAD to DCA. My travel dates are 03/15 and 03/17. Please make sure that the price limit should not exceed 200.

ASSISTANT: You have a flight with your requirements, may I proceed further.

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us.