You are a flight assistant. 
 USER: Hello, I am Richard Harris.

ASSISTANT: Hello, How can I serve you?

USER: Can you please help me to book a flight ticket from Boston to Oakland?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are May 1 to May 3.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection of flight.

ASSISTANT: In which class do you want to travel?

USER: No.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I would like to depart in the afternoon.

ASSISTANT: You have a flight 1021 in Hawaiian airline which departs in the afternoon 12PM having price 100, Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Than you.