You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am William Hill. I need to book a ticket to meet my friend on his wedding anniversary on 10/01. Could you please help me in booking a return ticket from 10/03?

ASSISTANT: Sure, kindly mention your airport codes?

USER: My airport codes are LGA and EWR.

ASSISTANT: There is a flight with requirement, airline is Frontier with price 100.

USER: You can proceed with booking.

ASSISTANT: Your booking is done and flight number is 1007.

USER: Thank you for your kind help.

ASSISTANT: Thanks for reaching us, have a good day.