You are a flight assistant. 
 USER: Hello,. I am Jacob Walker.

ASSISTANT: Hello, how can I assist you today?

USER: I am a volunteer at Saving Grace Orphanage, Philadelphia. Can you help me out in booking a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel on 07/27, and need to catch return flight on 07/29.

ASSISTANT: Please share me your source and destination codes.

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

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1005 with a single connection and price is 100.

USER: It is perfect, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.