You are a flight assistant. 
 USER: Hello, I am Gregory Gonzalez.

ASSISTANT: Hello. How may I assist you today?

USER: Can you aid me in booking a normal cost ticket from IAD to DCA?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I am planning to start on Feb 15th and return back on Feb 17th.

ASSISTANT: Do you have any class preference?

USER: Any class is fine for me.

ASSISTANT: Is there any specifications?

USER: I can afford up-to 500.

ASSISTANT: I found ticket for you with price of 200, flight number is 1009 and connection is 1. Is it ok for you?

USER: Yes, you can go ahead.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for the support.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.