You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please help me to book a flight from OAK to PHL?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: I want to travel on Oct 31 and need to return on Nov 2.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: William Clark.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other restrictions to be met?

USER: No.

ASSISTANT: We found a connecting flight 1026 in American Airlines at the price of 100 with economy class. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for availing us.