You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to attend a live concert in LAX. Will you please book me a ticket from EWR?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I will start my trip on Aug 20 and return on Aug 22.

ASSISTANT: Do you have any connection limit?

USER: I need 1 lay over within my route.

ASSISTANT: Is there any class preference?

USER: I would prefer an economy class flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Jack Martinez.

ASSISTANT: We found a connecting flight of fare 100 with airline Southwest and number is 1015. Can I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for your service.

ASSISTANT: Thank you.