You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me in booking with the name of Michael Baker to attend my friend marriage in Houston, IAH?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with your lay by's?

USER: I need  a lay by in between journey.

ASSISTANT: May I know your price limit?

USER: I need a flight ticket within the price range of 500.

ASSISTANT: Will you please forward your travelling dates?

USER: My travelling dates are, depart on 03/19 and arrival on 03/21.

ASSISTANT: Ok, may I know your take off airport code? Ok, please wait Michael Baker, I will be back with the flight details.

USER: My take off airport code is DFW.

ASSISTANT: We found Southwest airline with fare of 200 and a lay by in between the journey. Shall I proceed with booking?

USER: Ok, proceed to further process.

ASSISTANT: Your booking has been confirmed on name of Michael Baker and flight number 1006.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us, have a nice day.