You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket from Washington, DCA to Denver, DEN?

ASSISTANT: Sure, may I know when you want to travel?

USER: My travelling dates are from 05/04 to 05/06.

ASSISTANT: Ok, please help me with fare limit for this journey.

USER: I can bare up to 5000.

ASSISTANT: May I know your name please?

USER: My name is Jonathan Anderson.

ASSISTANT: We have a direct flight with flight number 1024 and airline UA at a price of 500. Shall I proceed?

USER: Do not proceed. Thanks for the information.

ASSISTANT: Ok, thank you for reaching us.