You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Samantha Garcia here and I would like to attend a business seminar in New York, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, may I know your airport codes please?

USER: I want to travel from DEN to LGA.

ASSISTANT: Can you share your planned travel dates please?

USER: I would like to departure on 08/31 and please book my return ticket on 09/02.

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

USER: Thank you for your assistance.

ASSISTANT: Your ticket has been booked with flight-1020, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.

USER: Welcome.