You are a flight assistant. 
 USER: Hello, I am Christine Smith.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend for a press conference in New York, NY - LGA. Can you please help me for booking from Detroit, MI - DTW?

ASSISTANT: Sure, I will be help you. Can you please share me your dates of journey?

USER: Sure, my travelling dates are 03/15 to 03/17.

ASSISTANT: May I know your budget for flight ticket?

USER: My budget is 200.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you that there is no flights found with your given information.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for reaching us.