You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Nelson.

ASSISTANT: How can I help you?

USER: Can you help me booking a flight ticket from LAX to EWR?

ASSISTANT: Your travelling dates please?

USER: I will start on June, 05 and return on June, 07.

ASSISTANT: Here is a connecting flight with flight number 1025 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done in Southwest airlines.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.