You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I  help you?

USER: I am planning to go for Boston BOS to meet my parents. So, can you please help me in booking my flight ticket from Detroit DTW?

ASSISTANT: Your travelling dates please?

USER: I am planning to start my journey on 09/09 date and I am willing to start my return journey on 09/11 date.

ASSISTANT: May I know your name please?

USER: Myself Stephanie Carter.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, fine I can choose other way to complete my trip. Thank you for assisting me.

ASSISTANT: Thank you for choosing us.