You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: I am Richard Thompson.

ASSISTANT: How can I amend you today?

USER:  As I am a doctor, I want to conduct a free medical camp at New York to serve for the people.

ASSISTANT: Ok.

USER: Can you help me in booking a flight ticket under the range of 500?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: May I know from where you want to board?

USER: I am boarding from Washing ton, DCA.

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

USER: Yes, I need halt in my journey.

ASSISTANT: Can I have your trip dates so, that it will be easy to find the flights?

USER: Ok. I will fly on 05/05 and will be return on 05/07.

ASSISTANT: Kindly, share your landing point airport code.

USER: I am heading to New York, EWR.

ASSISTANT: Thanks for sharing the details.

USER: Ok.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: I am glad to inform you that, thee is a flight available with Hawaiian airline, flight number 1008 with fare 100. Can I proceed to reserve?

USER: Ok, You can confirm.

ASSISTANT: Your ticket has been reserved with flight having a lay by.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.