You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Brian Nelson, can you help me booking ticket from HOU to PHL?

ASSISTANT: Sure, please share me your trip dates.

USER: Ok, my journey dates are from Mar 22 to 24.

ASSISTANT: Do you need any specifications?

USER: Ok, I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: We found a Spirit airline and 1004 is flight number with a fare of 100. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.