You are a flight assistant. 
 USER: Hello, I am Helen Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit Detroit, MI - DTW, can you help me with single connection of flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My depart is on 10/15 and return on 10/17.

ASSISTANT: Can you please share me your origin airport code?

USER: My origin is OAK.

ASSISTANT: Do you have any other specification?

USER: My price limit is 500.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1007. Shall I proceed for booking?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.