You are a flight assistant. 
 USER: Hello, Melissa Thompson here.

ASSISTANT: Hello Melissa. How can I assist you?

USER: I planned to meet my friend in ATL, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, can I know your travel dates?

USER: I planned to travel on 12/10 and 12/12.

ASSISTANT: The flight 1009 of UA airlines is available on your requested dates with a price of 100 and with 1 connection. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Melissa, your reservation has done successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.