You are a flight assistant. 
 USER: Hello,. I am Sandra Wright.

ASSISTANT: Hello, how can I help you?

USER:  I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: I want to travel on 08/27, and need to catch return flight on 08/29.

ASSISTANT: Kindly assign me your airport codes?

USER:  I need to leave from my nearest airport MSP to reach PHL.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights with your specifications.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.