You are a flight assistant. 
 USER: Hello, I am Elizabeth Anderson.

ASSISTANT: Hello, How can I help you?

USER: I would like to book a ticket to Boston, MA-BOS from MN-MSP, can you please help me with booking?

ASSISTANT: Sure, Please help me with your travel dates.

USER: I want to depart on 06/07 and return on 06/09.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.