You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Carol Young. I am planning to travel from PHL to OAK, help me in booking a flight?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 01/16 to 01/18.

ASSISTANT: Do you need any halt?

USER: Yes, i need 1 connection fight.

ASSISTANT: Which class do you prefer?

USER: I am comfortable in any class.

ASSISTANT: We found direct flight and Spirit airline with price 200 and economy class and airline number is 1021 with arrival time is 9 AM and departure time is 23 PM, Shall I proceed for booking?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.