You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Sandra Perez.

ASSISTANT: Sandra, how can I assist you today?

USER: I need your help in booking a round ticket from New York, please can you find me a ticket from LGA to JFK?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: My journey dates are from 11/30 to 12/02.

ASSISTANT: Sorry Sandra, there are no flights available to JFK on 11/30.

USER: It's ok, I will find any other mode of transport to reach there.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your information.