You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: I am Angela Carter.

ASSISTANT: How shall I server you?

USER: I would like to book a flight ticket to New York to visit my brother's anniversary. Could you help me in booking from 07/14 to 07/16.

ASSISTANT: Sure, I am gleeful to help you. May I know your fare preference?

USER: Sure, my price should not exceed 500. I need a connection in between.

ASSISTANT: Please share your exact airport codes.

USER: I would like to fly out from SEA to LGA.

ASSISTANT: Thanks for giving information, please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we didn't found any flights with your required details.

USER: Ok, no issues.

ASSISTANT: Thanks for opting us, have a nice day.

USER: Thanks for your service.