You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: I want to book a flight ticket from DTW to LGA. Can you find a flight for me?

ASSISTANT: Yes, I am here to assist you. Can you please let me know your dates of journey?

USER: My dates of journey are 06/13 and 06/15.

ASSISTANT: Can you please provide your name for further process?

USER: Sure, my name is Helen  Robinson.

ASSISTANT: Sorry, there is no flights to your destination.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching out here. Hope you have a great day.