You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I want to book a flight ticket to Seattle to meet my aunt, could you help me with booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: I will start from CA-OAK and land on WA-SEA.

ASSISTANT: When you are willing to travel?

USER: My journey dates are 10/05 and 10/07.

ASSISTANT: May I know your good name please?

USER: I am Lisa Thomas.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a lay by.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1020 flight with single connection with price 100. Shall I proceed with the booking.

USER: Please reserve my ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us. have a great day.