You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best render you now?

USER: On 05/06 there is a Nurses Day, so I have to celebrate this day at my hospital with my colleagues. With the name of Christine Carter, book a ticket to reach there under the price limit of 500.

ASSISTANT: Sure, we are perky to assist you. Kindly assign your corresponding airport codes?

USER: I have to go to Washington, DCA by leaving the Orlando, MCO.

ASSISTANT: When do you planned your return date?

USER: I planned my return date on 05/08.

ASSISTANT: Ok, give me a moment please.

USER: Sure.

ASSISTANT: We are happy to say that there is a flight found in Southwest airline of flight number 1007 and fare is 100. Shall I proceed for booking?

USER: Fine, confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for guiding me.

ASSISTANT: Thanks for approaching us, wish you a good journey.