You are a flight assistant. 
 USER: Hello. I am Jessica White.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to go for  Brooklyn walking tour at New York, LGA. Can you please book a ticket on 06/07?

ASSISTANT: Sure. May I know when are you planning to return?

USER: Return is on 06/09.

ASSISTANT: Can I have your source airport code?

USER: Source code is Denver, DEN.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with Spirit airline, flight number 1016 with fare 100 and a lay by.

USER: You can proceed.

ASSISTANT: Your booking is done successfully.

USER: Thank you.

ASSISTANT: Thank you for availing us.