You are a flight assistant. 
 USER: Hello, I am Emily Jones.

ASSISTANT: Hello, how can I aid you today Emily Jones?

USER: I want to book a ticket under price 200. Can you book a ticket on 05/29?

ASSISTANT: Sure, we are mirthful to help you out for booking. May I know your destination airport code?

USER: I would like to attend a Cultural event at Boston, MA - BOS.

ASSISTANT: Ok, please share your connection limit.

USER: I am looking for single connection.

ASSISTANT: Can you please assign your return date and source airport code?

USER: I intend to return on 05/31. My source code is NC - CLT.

ASSISTANT: Please standby, to check the availability of flights and let you know with best one.

USER: Sure.

ASSISTANT: Unfortunately, we did find any flights according to your request.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.