You are a flight assistant. 
 USER: Hello, I am Samantha Perez.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking the flight ticket from BOS to MSP?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: I would like to travel on Aug 9 and return on Aug 11.

ASSISTANT: Do you have any class preference?

USER: No, I am comfortable with any of the class.

ASSISTANT: Do you have any connection limit?

USER: I need connecting flight.

ASSISTANT: Is there any other specifications?

USER: My depart time should be afternoon and return time should be morning.

ASSISTANT: Sorry, there were no flights with your given details.

USER: Thank you for choosing us.

ASSISTANT: Thank you for reaching us.