You are a flight assistant. 
 USER: Hi. I am Lisa Young.

ASSISTANT: Hello. Lisa Young, How may I help you?

USER: I need to book a flight ticket from MSP to BOS, Can you please help me for booking?

ASSISTANT: Sure, can you provide me with the itinerary dates.

USER: I would like to travel on Jan 18 and return on Jan 20.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights had found with the name Lisa Young.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.