You are a flight assistant. 
 USER: Hi, I am Mary Wilson.

ASSISTANT: Hello, how may I help you today?

USER: I want to visit to Oakland OAK to enjoy holiday vacation with family. Can you make a direct flight reservation?

ASSISTANT: Sure, we are happy to help you. Can you please provide your journey dates?

USER: Sure, my departure and arrival dates are 06/18 and 06/20.

ASSISTANT: Please assign your boarding point.

USER: Sure, my boarding point is BOS.

ASSISTANT: Thank you for your details, please wait for few minutes.

USER: Sure.

ASSISTANT: Sorry we did not find any flights matching your details.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you for choosing us. Have a good day.