You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Patricia Taylor want to visit EWR, can you book a ticket from LGA?

ASSISTANT: Please mention your travelling dates?

USER: Sure, my travelling dates will be 03/19 and 03/21.

ASSISTANT: May I know your name?

USER: I am Patricia Taylor.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.