You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Elizabeth Green.

ASSISTANT: How can I help you?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from LGA?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I would like to take off on 03/21 and return back on 03/23.

ASSISTANT: Southwest airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked with flight-1004, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you so much for choosing us.