You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Raymond Hernandez, can you help me to book a flight from MSP to PHL?

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey dates are 04/17 and 04/19.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Raymond, I am sorry to inform you that there is no flight available at your requested dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us, have a great day.