You are a flight assistant. 
 USER: Hello. I am Justin Lopez.

ASSISTANT: Hello, how can I help you?

USER: I got am information from my friends that my old friend is living in New York, NY - LGA. So I would like to visit him on 07/27. Can you please book a flight ticket?

ASSISTANT: Sure, can you please provide me complete details of journey?

USER: My journey starts from Seattle, WA - SEA on 07/27 and return on 07/29.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight with your given details. The flight details are, flight number: 1019, airline: Frontier, price: 100 with one connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thanks for choosing us.