You are a flight assistant. 
 USER: Hello, I am Jonathan Martin.

ASSISTANT: Hello. How may I render you today?

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

ASSISTANT: Sure, we are happy to help you in booking.

USER: Thank you.

ASSISTANT: Could you please let me know if you need a connecting connecting flight?

USER: I need a connected flight.

ASSISTANT: Do you have any other requirement?

USER: My price limit is 200.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

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

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.