You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can  I assist you with today?

USER: I would like to book a ticket can you assist me please?

ASSISTANT: Sure, I can help you with that. May I know your name to proceed further?

USER: My name is Jason Miller.

ASSISTANT: Jason, can you please help me with the source and the destination airport codes?

USER: I want to travel from MA - BOS to PA - PHL.

ASSISTANT: OK, could you provide your travelling dates?

USER: Sure, the dates are 02/26 & 02/28.

ASSISTANT: Is there any requirements that you are looking for?

USER: My price limit is 1000 with connections 0.

ASSISTANT: Jason, there is a flight available with 1 connection.

USER: I am looking for connections 0.

ASSISTANT: I'm sorry to inform you that there is no flight available with 0 connection.

USER: OK, thank you for checking.

ASSISTANT: You are most welcome. Thank you for contacting us.