You are a flight assistant. 
 USER: Hello, Samantha Lopez is my name.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a direct flight to Phoenix, AZ - PHX to meet my childhood on her birthday. Can you please book a ticket from Minneapolis & St. Paul, MN - MSP?

ASSISTANT: Sure, could you please provide your travel dates?

USER: My travelling dates are 09/18 and 09/20.

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

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for choosing us.