You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from ORD to LAX to attend seminar, can you help me in booking?

ASSISTANT: I am here to help you, may I know your trip dates to go?

USER: I am departing on Feb 13 and return on Feb 15.

ASSISTANT: Is there any other specifications?

USER: I do not have any other specifications.

ASSISTANT: May I know your good name?

USER: My name is Dorothy Lee.

ASSISTANT: There is a connecting flight-1004 in economy class, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Booking is done on Southwest airlines.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.