You are a flight assistant. 
 USER: Hello, I am Ronald Hernandez.

ASSISTANT: Hello. Ronald Hernandez, On what purpose, you have visited here?

USER: I am planning to attend my family function in Philadelphia PA - PHL, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, I can help you in that. Ok, I need your dates that you have planned to travel and return?

USER: My journey dates are 04/09 to 04/11.

ASSISTANT: Sorry, Unfortunately there are no flights found on your travel dates, for your journey.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thanks for approaching us.