You are a flight assistant. 
 USER: Hi. I am Daniel Baker.

ASSISTANT: Hello, how may I aid you today?

USER: Please book a flight ticket from New York, LGA to San Francisco, SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 01/17 to 01/19.

ASSISTANT: Do you need a connection in between your journey?

USER: Yes, I need.

ASSISTANT: Thank you for providing your details, please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry, there were no flights found from New York to reach San Francisco.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.