You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: I am Thomas Thomas, I want to book a flight ticket to Oakland OAK, Help me in booking from Boston BOS.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly, mention your depart date.

USER: Sure, I want to start my journey on 05/31.

ASSISTANT: Please, share your fare limit.

USER: Sure, I can bare up to 1000.

ASSISTANT: May I know your arrival date of journey?

USER: Sure, I will be return on 06/02.

ASSISTANT: Kindly, mention your connection limit.

USER: Sure, I need a connecting flight.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: Ok.

ASSISTANT: We are sorry to inform you that, No single connecting flights are available in your journey routes.

USER: Ok, not an issue.

ASSISTANT: Ok, Fine.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a good day.