You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please book my flight ticket from EWR to MSP?

ASSISTANT: Sure, I will help you. On which dates do you want to travel?

USER: My trip dates are 04/13 and 04/15.

ASSISTANT: Could you please provide your name to book your flight ticket?

USER: Myself Dennis Brown.

ASSISTANT: Ok, please hold on a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your information, flight number 1018 from Frontier airlines with 1 connection with the fare of 300 is available for you. Shall I proceed with this?

USER: Can you please search a flight ticket with price 200 or otherwise don't confirm this ticket.

ASSISTANT: Sorry to inform you that, there are no flights available with in that budget.

USER: Ok, fine thank you for searching a flight ticket for me.

ASSISTANT: Thank you for approaching us, have a great day.