You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that I can assist you?

USER: I am planning to celebrate my sister birthday at PHL, can you help me with booking a direct flight?

ASSISTANT: Sure, I am happy to help you and can you please provide your travel dates?

USER: My travel dates are May 16 and May 18.

ASSISTANT: May I know your source airport code?

USER: My source airport code is OAK.

ASSISTANT: On whose name that I want to book the flight ticket?

USER: I am Patricia Hernandez.

ASSISTANT: Do you have any other necessaries?

USER: I would like to fly in economy class flight.

ASSISTANT: Thank you for your information, there is a flight 1020 with a direct flight in Hawaiian airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: Please proceed with booking.

ASSISTANT: I have confirmed your flight ticket booking on your journey dates to reach your location.

USER: Thank you for your help.

ASSISTANT: You are most welcome and have a happy journey.