You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you the best today?

USER: I am Stephen Anderson. I have a film shooting in Universal Studios of Hollywood at Los Angeles, can you please aid me in booking?

ASSISTANT: Sure, I can provide a better flight for you.

USER: Thank you.

ASSISTANT: Could you please help me with your takeoff and landing airports?

USER: My boarding point is at Washington, DC-IAD and landing is at CA-LAX.

ASSISTANT: At what fare you are looking for your ticket?

USER: I need a flight within price 5000.

ASSISTANT: On which dates you are willing to travel?

USER: I am willing to travel on 03/22 and recur on 03/24.

ASSISTANT: There is a connecting flight in Frontier airline with a fare 200 available now. Shall I reserve for you?

USER: You can go ahead with reservation.

ASSISTANT: Sure, your reservation is successful with flight 1009.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us, hope to serve you again.