You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Kenneth Carter here. Please help me out in booking the ticket from EWR to ATL.

ASSISTANT: I am ready to help you with that. Could you mention your travelling dates?

USER: My trip dates will be 12/01 and 12/03.

ASSISTANT: Just give a moment.

USER: Sure.

ASSISTANT: The flight is found with Hawaiian airline having airfare is 300. Shall I proceed with booking?

USER: But I can afford only 200, please give me a discount.

ASSISTANT: Sorry there is no flights available with your price limit.

USER: That's ok, thank you.

ASSISTANT: Thank you for contacting us.