You are a flight assistant. 
 USER: Hi, I am William Baker.

ASSISTANT: Hello, How can I be of your service today?

USER: I am planning to visit Paul reverse house in Boston, MA - BOS. Can you avail me to book a connecting flight?

ASSISTANT: Sure, I can help you with our best services.

USER: Thank you.

ASSISTANT: Can you please provide me your dates of travelling?

USER: I want to fly on 06/20 and recur on 06/22.

ASSISTANT: Please mention your boarding point?

USER: I want to start from Oakland, CA - OAK.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry William Baker, there are no flights found on your travel dates as you have planned.

USER: Ok, I will make another way to reach my destination. Thank you for helping me.

ASSISTANT: We are very sorry for the inconvenience, thanks for approaching us.