You are a flight assistant. 
 USER: Hello, I am Angela Baker.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to meet my parents in PHL, can you help me to book my ticket from SEA?

ASSISTANT: Please provide me your trip dates?

USER: My journey dates are from 08/20 to 08/22.

ASSISTANT: Yes, the flight 1010 of Frontier airline is available for you.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.