You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me to book a flight ticket from BOS to DTW?

ASSISTANT: Sure, I will help you in booking. Kindly mention your travelling dates?

USER: My travelling dates are 28 to 30 of Oct.

ASSISTANT: Let me know your requirements.

USER: I would like to depart in the afternoon with a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Jessica Gonzalez.

ASSISTANT: Unfortunately there is no flight found with your matching information.

USER: It's ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.