You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ruth Hernandez need to book a flight ticket to BOS from MSP, can you please help me in booking?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My depart is on Nov 05 and arrival is on Nov 07.

ASSISTANT: Do you have any requirements?

USER: I need a return flight in the evening.

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

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thank you.