You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Charles Moore.

ASSISTANT: Ok.

USER: I want to book a flight ticket to New York to attend the science fair. Please help me out with a connecting flight.

ASSISTANT: Sure, we are mirthful to help you. Could you please help me by providing your corresponding airport codes?

USER: I want to fly from BOS to EWR.

ASSISTANT: What are your planned trip dates?

USER: My travelling dates are from 07/19 to 07/21.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT:  Unfortunately, We found a Southwest airline which is a direct flight, that does not matches your needs.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.