You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: As I am a narrator, I want to attend for storytelling festival which is going to held at Phoenix, PHX. Can you please book a flight ticket from Washington, IAD?

ASSISTANT: Sure, may I know your good name?

USER: I am Laura Evans.

ASSISTANT: Do you have any restrictions in flight booking?

USER: Yes, I need a stop over in between my journey. My price limit is 500.

ASSISTANT: Ok, Please assign your dates of journey?

USER: My scheduled dates of journey is 08/17 to 08/19.

ASSISTANT: There is a connecting flight in Jet Blue airline has fare 300. May I proceed for booking?

USER: You can proceed.

ASSISTANT: Your booking has been done successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for availing with us. Have a safe journey.