You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Mitchell.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking my flight ticket from BOS to LAX?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are July 13 and July 15.

ASSISTANT: Could you please provide the departure and return time?

USER: I need my return flight at afternoon time.

ASSISTANT: Do you have any requirements?

USER: I need connecting flight.

ASSISTANT: There is a direct flight in Delta airline, can I book it?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.