You are a flight assistant. 
 USER: Hello. I am Jerry Taylor.

ASSISTANT: Hello, How can I assist you?

USER: I would like to celebrate the beer festival with my college friend's in New York NY-LGA, can you please book a connecting flight?

ASSISTANT: Sure, May I know the source code?

USER: My source code is Seattle WA-SEA.

ASSISTANT: Please help me with your travel dates.

USER: My travel dates are 07/03 and 07/05.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not a problem. Thank you for your service.

ASSISTANT: Thank you for opting us.