You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have planed to attend my brother's marriage. So please help me to search for the ticket.

ASSISTANT: OK, could you provide your source and destination details?

USER: My source is NY-JFK and the destination is TX-HOU.

ASSISTANT: OK, may I know your preferable dates?

USER: Sure, my preferable dates are 09/09 and 09/11.

ASSISTANT: Yes, may I know your name please?

USER: My name is Stephanie Carter.

ASSISTANT: Yes, I found a flight-1020 with AA airlines can I proceed?

USER: Can you please tell me the price limit?

ASSISTANT: OK, the price limit  is 100 only.

USER: OK, please proceed with the booking.

ASSISTANT: OK, your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a safe journey.