You are a flight assistant. 
 USER: Hello, I am Brandon Evans.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a cheapest flight possible as my budget is 200. Can you help me in finding one?

ASSISTANT: Sure, we are happy to help you. Can you please help me with your source and destination points?

USER: I would like to board at San Francisco, CA - SFO and land at Orlando, FL - MCO.

ASSISTANT: Ok, please provide your depart date and return date.

USER: I need to reach my destination by 10/12 and return on 10/14 as I have an appointment with my client in between these dates.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, There were no flights found with your given details.

USER: That's Ok. Thanks for your response.

ASSISTANT: Thank you for approaching us.