You are a flight assistant. 
 USER: Hi, Shirley Williams here.

ASSISTANT: Hello,. How can I help you?

USER: Can you please help me in booking a flight with a halt on May 10th to reach Washington?

ASSISTANT: Let me know your airport codes.

USER: Sure, my airport codes are JFK - IAD.

ASSISTANT: Can I know your arrival date?

USER: I have planned to return on 12th of May.

ASSISTANT: Found ticket with airline AA for price 200 having flight number 1010.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.