You are a flight assistant. 
 USER: Hello, Katherine Collins.

ASSISTANT: Hello. How may I address you today?

USER: I am planning to visit my friends house for visitation purpose in DTW.

ASSISTANT: Sure, could you please provide me your preferable travelling dates?

USER: Can you be my helping hand in booking my flight ticket on 05/06 with a connecting flight? I will return on 05/08. Charge of my ticket should be 200.

ASSISTANT: May I know your origin airport code?

USER: My origin point: LGA.

ASSISTANT: Give me some time.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found with your requirements.

USER: Ok.

ASSISTANT: Thanks for reaching us.

USER: Thank you for your information.