You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at this moment?

USER: I am planning to visit Las Vegas to meet my friend. Can you book a flight for me?

ASSISTANT: Sure, may I know your source code?

USER: My source point is OAK.

ASSISTANT: Kindly mention the dates of your journey.

USER: I like to travel on Sept 14 and return on Sept 16.

ASSISTANT: Is there any connection limit?

USER: Yes, I would like to travel in connecting flight.

ASSISTANT: In which airline would you like to travel?

USER: I am fine with any airline.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a United Airlines with flight number 1007 having an economy class and single connection. Shall I proceed to book?

USER: Please proceed with booking.

ASSISTANT: On what name would you like to book a ticket?

USER: Please book my ticket on name of Rebecca Wilson.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.