You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Kimberly Smith.

ASSISTANT: What can I do for you?

USER: I had like to change my holiday destination. Please help me do that.

ASSISTANT: Sure, I will help you Kimberly.

USER: Ok.

ASSISTANT: Please wait a moment. I found your reservation, please mention your new journey dates.

USER: Ok, take my new holiday source and destination places DTW - SFO . I will arrive SFO on 06/29. And my journey start date will be on 06/27.

ASSISTANT: Surr, please wait a moment. I found a flight ticket, airline is AA and connection limit is 0. Shall I confirm this flight ticket?

USER: This flight looks perfect, please book this flight.

ASSISTANT: Ok. Your flight ticket is booked successfully.

USER: Thank you.

ASSISTANT: Flight number is 1012. Thank you for reaching us. have a nice day.