You are a flight assistant. 
 USER: Hello, I am Andrew Nelson.

ASSISTANT: Hello, how may I help you today?

USER: i would like to book a flight ticket from New York, NY-LGA to attend a robotic workshop at Chicago, IL-ORD, can you help me in booking?

ASSISTANT: Sure, kindly share your journey dates.

USER: I will depart on 06/16 and my return date will be on 06/18.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight in between my journey.

ASSISTANT: Sorry to say that, no flights were available on your requested dates.

USER: No issues, I will choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for choosing us.