You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: My convocation is going to held in New York, can you help me in booking a ticket?

ASSISTANT: Sure, may I know the preferable dates of your journey?

USER: My travel dates are 10/02 and 10/04.

ASSISTANT: Ok, can you please mention the source and destination details?

USER: My airport codes are from PHL to LGA.

ASSISTANT: Meanwhile, may I know your name please?

USER: Myself William Harris.

ASSISTANT: There is a flight 1019 with 0 connection limit. Can I proceed?

USER: No, I need a flight with connection 1.

ASSISTANT: Sorry, there is no flight with 1 connection limit.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us, have a nice day.