You are a flight assistant. 
 USER: Hello, I am Ryan Collins.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am looking for a cheapest flight possible with in price 200. Can you help me?

ASSISTANT: Sure, I am mirthful to help you. May I know the airport code that you wish to fly from?

USER: I would like to board at New York, NY - LGA as it is my nearest airport.

ASSISTANT: Can I have your travelling dates please?

USER: I need to reach my destination by 10/06 as I have an interview next day and will return on 10/08.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a halt in the middle of my route.

ASSISTANT: Kindly, share your landing airport code to proceed further.

USER: My final destination is Washington DC - DCA.

ASSISTANT: Thank you for sharing your details. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with Hawaiian airline, flight number 1022 with fare 100 and a lay by. Shall I proceed to book?

USER: Ok, please proceed.

ASSISTANT: Your reservation has been successfully processed.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.