You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: From last few weeks I am searching for a flight with 200 fare with best service. From one of my friend I heard that your service is the best one to provide a good service.

ASSISTANT: Ok, do you want to book me a flight ticket?

USER: Yes, I would like to book a flight ticket in the name of Steven Collins.

ASSISTANT: My I know your source code?

USER: My source code is FL - MCO.

ASSISTANT: May I know your trip dates?

USER: My trip dates are 02/16 and 02/18.

ASSISTANT: Can you please mention me your destination?

USER: My destination is Minneapolis, MN - MSP.

ASSISTANT: Sorry Steven, no flight ticket found with your details.

USER: It's ok I will go with another service to book my flight ticket.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.