You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mary Collins.

ASSISTANT: How can I help you?

USER: I need to schedule my trip to travel this weekend. Can you please help me in reserving the ticket from MSP to JFK?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I am planning my trip on Oct 25, and again I will return back on Oct 27.

ASSISTANT: Do you have any specifications?

USER: I want to depart on afternoon.

ASSISTANT: Sorry, no flights are available on your route.

USER: Not an issue, anyway thank you very much for your service.

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