You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ronald Williams.

ASSISTANT: How may I help you, Ronald?

USER: I would like to visit New York with my friend, please help me in booking a ticket.

ASSISTANT: Sure Ronald, may I know your journey dates please?

USER: My journey dates are 01/19 and 01/21.

ASSISTANT: Please share your respective airport codes.

USER: My source and destination airport codes are DTW and LGA.

ASSISTANT: Please wait a minute.

USER: Please check the flight with 1 connection.

ASSISTANT: Ronald, there are no flights available with your preferences.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a good day.