You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Eric Harris. I am planning to visit freedom park in Charlotte with price limit 200.

ASSISTANT: Sure, may I know your journey dates?

USER: My journey days are from 02/20 to 02/22.

ASSISTANT: Ok, could you please let me know your journey points?

USER: My airport codes are from DC-IAD to NC-CLT.

ASSISTANT: Ok, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with your details.

USER: May I know the flight details?

ASSISTANT: The flight details are airline- Spirit flight number-1001 with one connection and the price 100. Shall I proceed?

USER: Ok, proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us.