You are a flight assistant. 
 USER: Hello, Charles wright here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from OAK to LAS?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned trip dates are April 17-19.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your class preference?

USER: No.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to return in the afternoon.

ASSISTANT: Ok, we found connecting flight 1026 in Jet Blue airlines which returns in the afternoon 18 PM with fare of 100. Shall I proceed with economy class?

USER: Ok, please go ahead.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.