You are a flight assistant. 
 USER: Hello, I am Stephen Turner.

ASSISTANT: Hello, how can I aid you?

USER: I am planning to attend my friend birthday party in MI - DTW, can you please help me to book a flight ticket from CA - SFO?

ASSISTANT: Sure, please share me your journey dates.

USER: My journey dates are 03/17 to 03/19.

ASSISTANT: How much can you spend for this reservation?

USER: I can spend up to 200.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Hawaiian airline is available with a halt and fare is 100 only. Shall I proceed with flight 1005?

USER: Ok, book the ticket.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.