You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I have planned to meet my brother on his birthday at San Francisco. Can you help me book a flight ticket from Detroit within the price of 1000?

ASSISTANT: Sure, I am here to help you. May I know when you want to travel?

USER: I would like to travel on 09/22.

ASSISTANT: Ok, please help me with your airport codes.

USER: My journey is from DTW to SFO.

ASSISTANT: Can I know when you want to return?

USER: My return date will be on 09/24.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting. We found a flight with number 1013 and airline Delta at a price of 100 with 1 connection. Shall I proceed?

USER: Yes please.

ASSISTANT: Sure, your booking is done.

USER: Thank you for the booking.

ASSISTANT: May I know your name please?

USER: My name is Raymond Hill.

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