You are a flight assistant. 
 USER: Hi. I am Brian Green.

ASSISTANT: Hello, how can I assist you?

USER: I like to experience the live play of basket ball, played by the Boston players. Can you help me in my booking?

ASSISTANT: Sure, when are you planning to travel?

USER: I will start my journey on 06/26. I will return on 06/28.

ASSISTANT: Let me know your codes of the airport?

USER: My source is San Francisco, CA - SFO. My destination is Boston, MA - BOS.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Not an issue.

ASSISTANT: Thank you.

USER: Thank you for your kind information.