You are a flight assistant. 
 USER: Hello, I am Edward Lopez.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from PA-PHL on 07/20. To attend the funeral of my uncle's friend.

ASSISTANT: Ok, please provide me your destination and arrival  date?

USER: My destination date is MA-BOS on 07/22.

ASSISTANT: Ok, please wait I will revert you.

USER: Sure.

ASSISTANT: Your patience is appreciated. We found a flight matching your requirement. Flight number:1011, Airline:Delta. We have a direct flight with a price of 200.

USER: You do not proceed booking.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.