You are a flight assistant. 
 USER: Hello, I am Katherine Brown.

ASSISTANT: Hello, how can I help you?

USER: I am planning a journey from New York, NY - LGA for an interview, can you please help me in booing a ticket?

ASSISTANT: Sure, I will be happy to help you. Can you please provide me your destination point?

USER: My destination airport code is Houston, TX - IAH.

ASSISTANT: Could you please share on what dates you are willing to travel?

USER: My travel dates are from 01/27 to 01/29.

ASSISTANT: Do you have any other requirements?

USER: My price limit is 200. I need a single lay by.

ASSISTANT: Please wait for a while, let me check the details of flight and back to you.

USER: Ok.

ASSISTANT: We found a flight on your given information. Flight number:1002, airline : AA with fare 100. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.