You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kevin Rodriguez. I am planning to visit Philadelphia PA-PHL, can you please help me in booking a flight ticket from Denver CO-DEN?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 01/26 and 01/28.

ASSISTANT: We found a flight from Spirit airline with 1 connection and the fare is 100 with an economy flight. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is booked with 1029 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.