You are a flight assistant. 
 USER: Hello. I am Kimberly Smith.

ASSISTANT: Hello, how may I best support you today?

USER: I am planning to travel from HOU to PHL. Can you please help me to book a ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates will be on June 27 to June 29.

ASSISTANT: Do you need any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: My depart time should be afternoon. Ok.

ASSISTANT: We found a Spirit airline and 1002 is flight number with a fare of 200. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.