You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I am Mark Parker. Can you please help me in booking my flight ticket from IAD to PHX?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: I am planning to start my journey in the month of June and my travelling dates are 14 and 16 in that month.

ASSISTANT: Ok, do you have any preferences?

USER: I need connecting flight.

ASSISTANT: You have a flight 1016 in Frontier airline and price 300 with a connection, Shall I proceed?

USER: Can you please check my flight ticket in 200 budget.

ASSISTANT: There are no flights available with the price of 200.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.