You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Campbell.

ASSISTANT: How can I help you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from ORD to EWR?

ASSISTANT: Let me know your travelling dates.

USER: I would like to depart on Oct 23rd and return on Oct 25th.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight in economy class. And make sure that my depart time is evening.

ASSISTANT: Found ticket with airline Southwest for price 100 having flight number 1015.

USER: Please confirm the booking.

ASSISTANT: Ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thanks.