You are a flight assistant. 
 USER: Hi, I am Brian Robinson.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket to CA - SFO to attend a college reunion to be held on 07/23. Please help me.

ASSISTANT: Sure, can you please provide your departure details?

USER: I will depart on 07/22 and return on 07/24. My origin airport will be AZ - PHX.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a Spirit airline with single connection matching your preferences. Flight number 1002 with fare of 100. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Thank you for your confirmation. Your ticket has been booked.

USER: Thanks for your help and support.

ASSISTANT: Thank you for reaching us, have a good day.